{
  "energy" : [
    {
      "symbol" : "焦耳",
      "aliases" : [
        "焦"
      ],
      "identifier" : "joules"
    },
    {
      "symbol" : "千焦耳",
      "aliases" : [
        "千焦"
      ],
      "identifier" : "kilojoules"
    },
    {
      "symbol" : "兆焦耳",
      "aliases" : [
        "兆焦"
      ],
      "identifier" : "megajoules"
    },
    {
      "symbol" : "吉焦耳",
      "aliases" : [
        "吉焦"
      ],
      "identifier" : "gigajoules"
    },
    {
      "symbol" : "卡路里",
      "aliases" : [
        "卡"
      ],
      "identifier" : "calories"
    },
    {
      "symbol" : "千卡路里",
      "aliases" : [
        "千卡"
      ],
      "identifier" : "kilocalories"
    },
    {
      "symbol" : "瓦特小时",
      "aliases" : [
        "瓦小时"
      ],
      "identifier" : "wattHours"
    },
    {
      "symbol" : "瓦特分",
      "aliases" : [
        "瓦特分钟"
      ],
      "identifier" : "wattMinutes"
    },
    {
      "symbol" : "瓦特秒",
      "aliases" : [],
      "identifier" : "wattSeconds"
    },
    {
      "symbol" : "千瓦小时",
      "aliases" : [
        "千瓦时"
      ],
      "identifier" : "kilowattHours"
    },
    {
      "symbol" : "兆瓦时",
      "aliases" : [
        "千度"
      ],
      "identifier" : "megawattHours"
    },
    {
      "symbol" : "亿瓦时",
      "aliases" : [
        "吉瓦时",
        "千兆瓦时",
        "兆瓦时",
        "百万千瓦小时",
        "百万度"
      ],
      "identifier" : "gigawattHours"
    },
    {
      "symbol" : "万亿瓦[特]时",
      "aliases" : [
        "太瓦时"
      ],
      "identifier" : "terawattHours"
    }
  ],
  "volume" : [
    {
      "symbol" : "兆升",
      "aliases" : [],
      "identifier" : "megaliters"
    },
    {
      "symbol" : "千升",
      "aliases" : [],
      "identifier" : "kiloliters"
    },
    {
      "symbol" : "升",
      "aliases" : [],
      "identifier" : "liters"
    },
    {
      "symbol" : "毫升",
      "aliases" : [],
      "identifier" : "milliliters"
    },
    {
      "symbol" : "立方千米",
      "aliases" : [],
      "identifier" : "cubicKilometers"
    },
    {
      "symbol" : "立方米",
      "aliases" : [],
      "identifier" : "cubicMeters"
    },
    {
      "symbol" : "立方厘米",
      "aliases" : [],
      "identifier" : "cubicCentimeters"
    },
    {
      "symbol" : "立方毫米",
      "aliases" : [],
      "identifier" : "cubicMillimeters"
    },
    {
      "symbol" : "立方英寸",
      "aliases" : [],
      "identifier" : "cubicInches"
    },
    {
      "symbol" : "立方英尺",
      "aliases" : [],
      "identifier" : "cubicFeet"
    },
    {
      "symbol" : "立方码",
      "aliases" : [],
      "identifier" : "cubicYards"
    },
    {
      "symbol" : "立方英里",
      "aliases" : [],
      "identifier" : "cubicMiles"
    },
    {
      "symbol" : "蒲式耳",
      "aliases" : [],
      "identifier" : "bushels"
    },
    {
      "symbol" : "英亩尺",
      "aliases" : [
        "英亩英尺"
      ],
      "identifier" : "acreFeet"
    },
    {
      "symbol" : "品脱",
      "aliases" : [],
      "identifier" : "pints"
    },
    {
      "symbol" : "夸脱",
      "aliases" : [],
      "identifier" : "quarts"
    },
    {
      "symbol" : "加仑",
      "aliases" : [],
      "identifier" : "gallons"
    },
    {
      "symbol" : "汤匙",
      "aliases" : [],
      "identifier" : "tablespoons"
    },
    {
      "symbol" : "茶匙",
      "aliases" : [],
      "identifier" : "teaspoons"
    },
    {
      "symbol" : "液盎司",
      "aliases" : [
        "液盎司"
      ],
      "identifier" : "fluidOunces"
    }
  ],
  "dataStorage" : [
    {
      "symbol" : "字节",
      "aliases" : [],
      "identifier" : "bytes"
    },
    {
      "symbol" : "比特",
      "aliases" : [],
      "identifier" : "bits"
    },
    {
      "symbol" : "尧",
      "aliases" : [
        "尧它",
        "尧字节"
      ],
      "identifier" : "yottabytes"
    },
    {
      "symbol" : "泽",
      "aliases" : [
        "泽字节",
        "泽它字节"
      ],
      "identifier" : "zettabytes"
    },
    {
      "symbol" : "艾",
      "aliases" : [
        "EB",
        "艾字节",
        "艾可萨字节"
      ],
      "identifier" : "exabytes"
    },
    {
      "symbol" : "PB",
      "aliases" : [
        "P",
        "拍",
        "拍字节",
        "拍它字节",
        "千兆兆",
        "千兆兆字节",
        "千万亿字节"
      ],
      "identifier" : "petabytes"
    },
    {
      "symbol" : "TB",
      "aliases" : [
        "T",
        "太",
        "太字节",
        "万亿字节"
      ],
      "identifier" : "terabytes"
    },
    {
      "symbol" : "GB",
      "aliases" : [
        "G",
        "吉",
        "吉字节",
        "十亿字节",
        "千兆字节"
      ],
      "identifier" : "gigabytes"
    },
    {
      "symbol" : "MB",
      "aliases" : [
        "M",
        "兆",
        "兆字节",
        "百万字节"
      ],
      "identifier" : "megabytes"
    },
    {
      "symbol" : "kB",
      "aliases" : [
        "千字节"
      ],
      "identifier" : "kilobytes"
    },
    {
      "symbol" : "Yb",
      "aliases" : [
        "尧比特"
      ],
      "identifier" : "yottabits"
    },
    {
      "symbol" : "Zb",
      "aliases" : [
        "泽比特"
      ],
      "identifier" : "zettabits"
    },
    {
      "symbol" : "Eb",
      "aliases" : [
        "艾比特"
      ],
      "identifier" : "exabits"
    },
    {
      "symbol" : "Pb",
      "aliases" : [
        "拍比特"
      ],
      "identifier" : "petabits"
    },
    {
      "symbol" : "Tb",
      "aliases" : [
        "太比特"
      ],
      "identifier" : "terabits"
    },
    {
      "symbol" : "Gb",
      "aliases" : [
        "吉比特",
        "千兆比特"
      ],
      "identifier" : "gigabits"
    },
    {
      "symbol" : "Mb",
      "aliases" : [
        "兆比特"
      ],
      "identifier" : "megabits"
    },
    {
      "symbol" : "kb",
      "aliases" : [
        "千比特"
      ],
      "identifier" : "kilobits"
    },
    {
      "symbol" : "YiB",
      "aliases" : [],
      "identifier" : "yobibytes"
    },
    {
      "symbol" : "ZiB",
      "aliases" : [],
      "identifier" : "zebibytes"
    },
    {
      "symbol" : "EiB",
      "aliases" : [],
      "identifier" : "exbibytes"
    },
    {
      "symbol" : "PiB",
      "aliases" : [],
      "identifier" : "pebibytes"
    },
    {
      "symbol" : "TiB",
      "aliases" : [],
      "identifier" : "tebibytes"
    },
    {
      "symbol" : "GiB",
      "aliases" : [],
      "identifier" : "gibibytes"
    },
    {
      "symbol" : "MiB",
      "aliases" : [],
      "identifier" : "mebibytes"
    },
    {
      "symbol" : "KiB",
      "aliases" : [],
      "identifier" : "kibibytes"
    },
    {
      "symbol" : "Yib",
      "aliases" : [],
      "identifier" : "yobibits"
    },
    {
      "symbol" : "Zib",
      "aliases" : [],
      "identifier" : "zebibits"
    },
    {
      "symbol" : "Eib",
      "aliases" : [
        "艾比特"
      ],
      "identifier" : "exbibits"
    },
    {
      "symbol" : "Pib",
      "aliases" : [],
      "identifier" : "pebibits"
    },
    {
      "symbol" : "Tib",
      "aliases" : [],
      "identifier" : "tebibits"
    },
    {
      "symbol" : "Gib",
      "aliases" : [],
      "identifier" : "gibibits"
    },
    {
      "symbol" : "Mib",
      "aliases" : [],
      "identifier" : "mebibits"
    },
    {
      "symbol" : "Kib",
      "aliases" : [],
      "identifier" : "kibibits"
    }
  ],
  "temperature" : [
    {
      "symbol" : "K",
      "aliases" : [
        "开",
        "开尔文"
      ],
      "identifier" : "kelvin"
    },
    {
      "symbol" : "°C",
      "aliases" : [
        "摄氏度"
      ],
      "identifier" : "celsius"
    },
    {
      "symbol" : "°F",
      "aliases" : [
        "华氏度"
      ],
      "identifier" : "fahrenheit"
    }
  ],
  "dataTransfer" : [
    {
      "symbol" : "Bps",
      "aliases" : [
        "字节每秒",
        "字节/秒"
      ],
      "identifier" : "bytesPerSecond"
    },
    {
      "symbol" : "bps",
      "aliases" : [
        "比特率",
        "比特每秒",
        "比特/秒"
      ],
      "identifier" : "bitsPerSecond"
    },
    {
      "symbol" : "YBps",
      "aliases" : [
        "YB每秒",
        "YB/秒",
        "尧每秒",
        "尧/秒",
        "尧它每秒",
        "尧它/秒",
        "尧字节每秒",
        "尧字节/秒"
      ],
      "identifier" : "yottabytesPerSecond"
    },
    {
      "symbol" : "ZBps",
      "aliases" : [
        "ZB/秒",
        "ZB每秒",
        "泽/秒",
        "泽每秒",
        "泽字节/秒",
        "泽字节每秒",
        "泽它字节/秒",
        "泽它字节每秒"
      ],
      "identifier" : "zettabytesPerSecond"
    },
    {
      "symbol" : "EBps",
      "aliases" : [
        "EB/秒",
        "EB每秒",
        "艾/秒",
        "艾每秒",
        "艾字节/秒",
        "艾字节每秒",
        "艾可萨/秒",
        "艾可萨每秒"
      ],
      "identifier" : "exabytesPerSecond"
    },
    {
      "symbol" : "PBps",
      "aliases" : [
        "PB/秒",
        "PB每秒",
        "拍/秒",
        "拍每秒",
        "拍字节/秒",
        "拍字节每秒",
        "拍它字节/秒",
        "拍它字节每秒",
        "千兆兆/秒",
        "千兆兆每秒",
        "千兆兆字节/秒",
        "千兆兆字节每秒",
        "千万亿字节/秒",
        "千万亿字节每秒"
      ],
      "identifier" : "petabytesPerSecond"
    },
    {
      "symbol" : "TBps",
      "aliases" : [
        "TB/秒",
        "TB每秒",
        "太/秒",
        "太每秒",
        "太字节/秒",
        "太字节每秒",
        "万亿字节/秒",
        "万亿字节每秒"
      ],
      "identifier" : "terabytesPerSecond"
    },
    {
      "symbol" : "GBps",
      "aliases" : [
        "GB/秒",
        "GB每秒",
        "吉/秒",
        "吉每秒",
        "吉字节/秒",
        "吉字节每秒",
        "十亿字节/秒",
        "十亿字节每秒",
        "千兆字节/秒",
        "千兆字节每秒"
      ],
      "identifier" : "gigabytesPerSecond"
    },
    {
      "symbol" : "MBps",
      "aliases" : [
        "M/秒",
        "M每秒",
        "MB/秒",
        "MB每秒",
        "兆/秒",
        "兆每秒",
        "兆字节/秒",
        "兆字节每秒",
        "百万字节/秒",
        "百万字节每秒"
      ],
      "identifier" : "megabytesPerSecond"
    },
    {
      "symbol" : "KBps",
      "aliases" : [
        "KB/秒",
        "KB每秒",
        "千字节/秒",
        "千字节每秒"
      ],
      "identifier" : "kilobytesPerSecond"
    },
    {
      "symbol" : "Ybps",
      "aliases" : [
        "YB/秒",
        "YB每秒"
      ],
      "identifier" : "yottabitsPerSecond"
    },
    {
      "symbol" : "Zbps",
      "aliases" : [
        "ZB/秒",
        "ZB每秒"
      ],
      "identifier" : "zettabitsPerSecond"
    },
    {
      "symbol" : "Ebps",
      "aliases" : [
        "EB/秒",
        "EB每秒",
        "艾比特/秒",
        "艾比特每秒"
      ],
      "identifier" : "exabitsPerSecond"
    },
    {
      "symbol" : "Pbps",
      "aliases" : [
        "拍比特/秒",
        "拍比特每秒"
      ],
      "identifier" : "petabitsPerSecond"
    },
    {
      "symbol" : "Tbps",
      "aliases" : [
        "太比特/秒",
        "太比特每秒"
      ],
      "identifier" : "terabitsPerSecond"
    },
    {
      "symbol" : "Gbps",
      "aliases" : [
        "吉比特/秒",
        "吉比特每秒",
        "千兆比特/秒",
        "千兆比特每秒",
        "千兆位/秒",
        "千兆位每秒"
      ],
      "identifier" : "gigabitsPerSecond"
    },
    {
      "symbol" : "Mbps",
      "aliases" : [
        "兆比特/秒",
        "兆比特每秒"
      ],
      "identifier" : "megabitsPerSecond"
    },
    {
      "symbol" : "Kbps",
      "aliases" : [
        "千比特/秒",
        "千比特每秒"
      ],
      "identifier" : "kilobitsPerSecond"
    },
    {
      "symbol" : "YiBps",
      "aliases" : [
        "YiB/秒",
        "YiB每秒"
      ],
      "identifier" : "yobibytesPerSecond"
    },
    {
      "symbol" : "ZiBps",
      "aliases" : [
        "ZiB/秒",
        "ZiB每秒"
      ],
      "identifier" : "zebibytesPerSecond"
    },
    {
      "symbol" : "EiBps",
      "aliases" : [
        "EiB/秒",
        "EiB每秒"
      ],
      "identifier" : "exbibytesPerSecond"
    },
    {
      "symbol" : "PiBps",
      "aliases" : [
        "PiB/秒",
        "PiB每秒"
      ],
      "identifier" : "pebibytesPerSecond"
    },
    {
      "symbol" : "TiBps",
      "aliases" : [
        "TiB/秒",
        "TiB每秒"
      ],
      "identifier" : "tebibytesPerSecond"
    },
    {
      "symbol" : "GiBps",
      "aliases" : [
        "GiB/秒",
        "GiB每秒"
      ],
      "identifier" : "gibibytesPerSecond"
    },
    {
      "symbol" : "MiBps",
      "aliases" : [
        "MiB/秒",
        "MiB每秒"
      ],
      "identifier" : "mebibytesPerSecond"
    },
    {
      "symbol" : "KiBps",
      "aliases" : [
        "KiB/秒",
        "KiB每秒"
      ],
      "identifier" : "kibibytesPerSecond"
    },
    {
      "symbol" : "Yibps",
      "aliases" : [
        "Yib/秒",
        "Yib每秒"
      ],
      "identifier" : "yobibitsPerSecond"
    },
    {
      "symbol" : "Zibps",
      "aliases" : [
        "Zib/秒",
        "Zib每秒"
      ],
      "identifier" : "zebibitsPerSecond"
    },
    {
      "symbol" : "Eibps",
      "aliases" : [
        "Eib/秒",
        "Eib每秒"
      ],
      "identifier" : "exbibitsPerSecond"
    },
    {
      "symbol" : "Pibps",
      "aliases" : [
        "Pib/秒",
        "Pib每秒"
      ],
      "identifier" : "pebibitsPerSecond"
    },
    {
      "symbol" : "Tibps",
      "aliases" : [
        "Tib/秒",
        "Tib每秒"
      ],
      "identifier" : "tebibitsPerSecond"
    },
    {
      "symbol" : "Gibps",
      "aliases" : [
        "Gib/秒",
        "Gib每秒"
      ],
      "identifier" : "gibibitsPerSecond"
    },
    {
      "symbol" : "Mibps",
      "aliases" : [
        "Mib/秒",
        "Mib每秒"
      ],
      "identifier" : "mebibitsPerSecond"
    },
    {
      "symbol" : "Kibps",
      "aliases" : [
        "Kib/秒",
        "Kib每秒"
      ],
      "identifier" : "kibibitsPerSecond"
    }
  ],
  "speed" : [
    {
      "symbol" : "米/秒",
      "aliases" : [
        "米每秒"
      ],
      "identifier" : "metersPerSecond"
    },
    {
      "symbol" : "千米/时",
      "aliases" : [
        "千米每小时",
        "千米/小时"
      ],
      "identifier" : "kilometersPerHour"
    },
    {
      "symbol" : "英里/时",
      "aliases" : [
        "英里每小时",
        "英里/小时"
      ],
      "identifier" : "milesPerHour"
    },
    {
      "symbol" : "节",
      "aliases" : [],
      "identifier" : "knots"
    }
  ],
  "angle" : [
    {
      "symbol" : "°",
      "aliases" : [
        "度"
      ],
      "identifier" : "degrees"
    },
    {
      "symbol" : "rad",
      "aliases" : [
        "度"
      ],
      "identifier" : "radians"
    }
  ],
  "length" : [
    {
      "symbol" : "m",
      "aliases" : [
        "米"
      ],
      "identifier" : "meters"
    },
    {
      "symbol" : "km",
      "aliases" : [
        "千米",
        "公里"
      ],
      "identifier" : "kilometers"
    },
    {
      "symbol" : "cm",
      "aliases" : [
        "厘米"
      ],
      "identifier" : "centimeters"
    },
    {
      "symbol" : "mm",
      "aliases" : [
        "毫米"
      ],
      "identifier" : "millimeters"
    },
    {
      "symbol" : "µm",
      "aliases" : [
        "微米"
      ],
      "identifier" : "micrometers"
    },
    {
      "symbol" : "nm",
      "aliases" : [
        "纳米"
      ],
      "identifier" : "nanometers"
    },
    {
      "symbol" : "in",
      "aliases" : [
        "英寸"
      ],
      "identifier" : "inches"
    },
    {
      "symbol" : "ft",
      "aliases" : [
        "英尺"
      ],
      "identifier" : "feet"
    },
    {
      "symbol" : "yd",
      "aliases" : [
        "码"
      ],
      "identifier" : "yards"
    },
    {
      "symbol" : "mi",
      "aliases" : [
        "英里"
      ],
      "identifier" : "miles"
    },
    {
      "symbol" : "ly",
      "aliases" : [
        "光年"
      ],
      "identifier" : "lightyears"
    },
    {
      "symbol" : "pc",
      "aliases" : [
        "秒差距"
      ],
      "identifier" : "parsecs"
    },
    {
      "symbol" : "NM",
      "aliases" : [
        "海里"
      ],
      "identifier" : "nauticalMiles"
    },
    {
      "symbol" : "ftm",
      "aliases" : [
        "英寻"
      ],
      "identifier" : "fathoms"
    },
    {
      "symbol" : "fur",
      "aliases" : [
        "浪"
      ],
      "identifier" : "furlongs"
    },
    {
      "symbol" : "px",
      "aliases" : [
        "像素"
      ],
      "identifier" : "pixel"
    },
    {
      "symbol" : "em",
      "aliases" : [],
      "identifier" : "em"
    },
    {
      "symbol" : "pt",
      "aliases" : [
        "点"
      ],
      "identifier" : "point"
    }
  ],
  "area" : [
    {
      "symbol" : "km²",
      "aliases" : [
        "平方公里",
        "平方千米"
      ],
      "identifier" : "squareKilometers"
    },
    {
      "symbol" : "m²",
      "aliases" : [
        "平方米"
      ],
      "identifier" : "squareMeters"
    },
    {
      "symbol" : "cm²",
      "aliases" : [
        "平方厘米"
      ],
      "identifier" : "squareCentimeters"
    },
    {
      "symbol" : "mm²",
      "aliases" : [
        "平方毫米"
      ],
      "identifier" : "squareMillimeters"
    },
    {
      "symbol" : "µm²",
      "aliases" : [
        "平方微米"
      ],
      "identifier" : "squareMicrometers"
    },
    {
      "symbol" : "in²",
      "aliases" : [
        "平方英寸"
      ],
      "identifier" : "squareInches"
    },
    {
      "symbol" : "ft²",
      "aliases" : [
        "平方码"
      ],
      "identifier" : "squareFeet"
    },
    {
      "symbol" : "yd²",
      "aliases" : [
        "平方码"
      ],
      "identifier" : "squareYards"
    },
    {
      "symbol" : "mi²",
      "aliases" : [
        "平方英里"
      ],
      "identifier" : "squareMiles"
    },
    {
      "symbol" : "ac",
      "aliases" : [
        "英亩"
      ],
      "identifier" : "acres"
    },
    {
      "symbol" : "ha",
      "aliases" : [
        "公顷"
      ],
      "identifier" : "hectares"
    },
    {
      "symbol" : "ares",
      "aliases" : [
        "公亩"
      ],
      "identifier" : "ares"
    }
  ],
  "power" : [
    {
      "symbol" : "W",
      "aliases" : [
        "瓦特",
        "瓦"
      ],
      "identifier" : "watts"
    },
    {
      "symbol" : "mW",
      "aliases" : [
        "毫瓦特",
        "毫瓦"
      ],
      "identifier" : "milliwatts"
    },
    {
      "symbol" : "kW",
      "aliases" : [
        "千瓦特",
        "千瓦"
      ],
      "identifier" : "kilowatts"
    },
    {
      "symbol" : "MW",
      "aliases" : [
        "兆瓦",
        "兆瓦特"
      ],
      "identifier" : "megawatts"
    },
    {
      "symbol" : "GW",
      "aliases" : [
        "千兆瓦特",
        "千兆瓦"
      ],
      "identifier" : "gigawatts"
    },
    {
      "symbol" : "TW",
      "aliases" : [
        "太瓦特",
        "太瓦"
      ],
      "identifier" : "terawatts"
    },
    {
      "symbol" : "hp",
      "aliases" : [
        "马力",
        "匹"
      ],
      "identifier" : "horsepower"
    }
  ],
  "mass" : [
    {
      "symbol" : "kg",
      "aliases" : [
        "千克"
      ],
      "identifier" : "kilograms"
    },
    {
      "symbol" : "g",
      "aliases" : [
        "克"
      ],
      "identifier" : "grams"
    },
    {
      "symbol" : "mg",
      "aliases" : [
        "毫克"
      ],
      "identifier" : "milligrams"
    },
    {
      "symbol" : "ng",
      "aliases" : [
        "毫微克"
      ],
      "identifier" : "nanograms"
    },
    {
      "symbol" : "oz",
      "aliases" : [
        "盎司"
      ],
      "identifier" : "ounces"
    },
    {
      "symbol" : "lb",
      "aliases" : [
        "磅"
      ],
      "identifier" : "pounds"
    },
    {
      "symbol" : "st",
      "aliases" : [
        "英石"
      ],
      "identifier" : "stones"
    },
    {
      "symbol" : "t",
      "aliases" : [
        "公吨"
      ],
      "identifier" : "metricTons"
    },
    {
      "symbol" : "ton",
      "aliases" : [
        "吨"
      ],
      "identifier" : "shortTons"
    },
    {
      "symbol" : "ct",
      "aliases" : [
        "克拉",
        "开"
      ],
      "identifier" : "carats"
    },
    {
      "symbol" : "oz t",
      "aliases" : [
        "金衡盎司"
      ],
      "identifier" : "ouncesTroy"
    }
  ],
  "duration" : [
    {
      "symbol" : "hr",
      "aliases" : [
        "小时"
      ],
      "identifier" : "hours"
    },
    {
      "symbol" : "s",
      "aliases" : [
        "秒"
      ],
      "identifier" : "seconds"
    },
    {
      "symbol" : "min",
      "aliases" : [
        "分",
        "分钟"
      ],
      "identifier" : "minutes"
    },
    {
      "symbol" : "day",
      "aliases" : [
        "天"
      ],
      "identifier" : "days"
    },
    {
      "symbol" : "workday",
      "aliases" : [
        "工作日"
      ],
      "identifier" : "weekdays"
    },
    {
      "symbol" : "week",
      "aliases" : [
          "周",
          "星期"
      ],
      "identifier" : "weeks"
    },
    {
      "symbol" : "month",
      "aliases" : [
        "月",
        "个月"
      ],
      "identifier" : "months"
    },
    {
      "symbol" : "year",
      "aliases" : [
        "年"
      ],
      "identifier" : "years"
    },
    {
      "symbol" : "ms",
      "aliases" : [
        "毫秒"
      ],
      "identifier" : "milliseconds"
    },
    {
      "symbol" : "µs",
      "aliases" : [
        "微秒"
      ],
      "identifier" : "microseconds"
    },
    {
      "symbol" : "ns",
      "aliases" : [
        "毫微秒"
      ],
      "identifier" : "nanoseconds"
    }
  ],
  "frequency" : [
    {
      "symbol" : "Hz",
      "aliases" : [
        "赫兹"
      ],
      "identifier" : "hertz"
    },
    {
      "symbol" : "kHz",
      "aliases" : [
        "千赫兹",
        "千赫"
      ],
      "identifier" : "kilohertz"
    },
    {
      "symbol" : "MHz",
      "aliases" : [
        "兆赫兹",
        "百万赫兹"
      ],
      "identifier" : "megahertz"
    },
    {
      "symbol" : "GHz",
      "aliases" : [
        "十亿赫",
        "吉赫",
        "千兆赫"
      ],
      "identifier" : "gigahertz"
    },
    {
      "symbol" : "THz",
      "aliases" : [
        "兆赫",
        "兆赫兹"
      ],
      "identifier" : "terahertz"
    },
    {
      "symbol" : "mHz",
      "aliases" : [
        "毫赫兹",
        "毫赫"
      ],
      "identifier" : "millihertz"
    },
    {
      "symbol" : "µHz",
      "aliases" : [
        "微赫兹"
      ],
      "identifier" : "microhertz"
    },
    {
      "symbol" : "nHz",
      "aliases" : [
        "纳米赫兹"
      ],
      "identifier" : "nanohertz"
    }
  ]
}
