mass unit

同根派生

The units painted on the dial of a scale are often mass units, not force units.
秤的刻度磐上所標(biāo)單位是質(zhì)量的單位，而不是力的單位。
The interval is two mass units because these isotopes of the elements differ by two neutrons.
因爲(wèi)這些元素的同位素相差兩個(gè)中子，所以其間隔爲(wèi)兩個(gè)質(zhì)量單位。
Atomic mass unit and kilogram conversion tables
GB/T5113-1985原子質(zhì)量單位與千尅的相互換算表
The Realization for Mass Unit in China
我國(guó)質(zhì)量單位的複現(xiàn)
A metric unit of mass equal to 100 grams.
百尅公制質(zhì)量單位，等於100尅。