| 释义 |
yocto-
yocto-pref. One septillionth (10-24): yoctosecond.
[Alteration of octo- (from its representing the eighth power of a thousandth).]yocto-
yocto-
yocto- (y-), Prefix used in the metric system and SI to signify one septillionth (10-24). [y- + L. octo, eight (yocto- being 8th in the series of SI submultiple prefixes)] yocto- [Fm. octo-, representing the eighth power of a thousandth], yIn the International System of Units (SI), a prefix signifying 10-24.FinancialSeeY |