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单词 femtosecond
释义
Femtosecond
nnoun.timeone quadrillionth (10^-15) of a second; one thousandth of a picosecond
Part Holonyms:picosecond
Hypernyms:time unit unit of time
Inherited Hypernyms:femtosecondtime unitmeasureabstractionentity
Part Meronyms:attosecond
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更新时间:2024/12/23 21:48:51