有關trillionth的精選大全

用trillionth造句子,“trillionth”造句
Itwasfoundinconcentrationsof29to850picogrammespercubicmetreofair.Amicrogrammeisonetrillionthofagramme.TheX-raypulseshaveashutterspeedoflessthan100femtoseconds(100femtoseconds=1/10ofatrillionthofasecon...
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