英语词汇femtometres怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	femtometres
释义	femtometres 双语例句 1 Until recently the best estimate of the proton radius was 0.877 femtometres with an uncertainty of 0.007 fm 直到不久之前，对质子半径最好的测量是0.877飞米（千万亿分之一分尺），误差为在0.007飞米。
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