femto-
/ˈfemtəʊ/combining form
- (used in units of measurement) denoting a factor of 10-15[用于度量单位]表示"10-15", “毫微微”, “千万亿分之一”:
femtosecond.
词源
from Danish or Norwegian femten 'fifteen'.
单词 | femto- |
释义 | femto-/ˈfemtəʊ/combining form
词源 from Danish or Norwegian femten 'fifteen'. |
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