جستجو
Femtosecond
01
one quadrillionth (10^-15) of a second; one thousandth of a picosecond
word family
femtosecond
femtosecond
Noun
مثال
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جستجو
one quadrillionth (10^-15) of a second; one thousandth of a picosecond
word family
femtosecond