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Terms for subject General containing billion | all forms | exact matches only
EnglishChinese
billion electron-volt千兆电子伏
billion electron-volt109电子伏
billion electron-volt十亿电子伏
billion electron-volt京电子伏
billion years万亿年英
billion years十亿年美
billions of亿万个
billions of数以亿计的
parts per billion十亿分率1 ppb = 0.0000001%

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