中文翻译与英英解释

comb.f. 表示“毫微微”(＝10-15)，“尘”。

Femto- (symbol f) is a prefix in the metric system denoting a factor of 10?15 or . Adopted by the 11th Conférence Générale des Poids et Mesures, it was added in 1964 to the SI.