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中子，所以其間隔爲(wèi)兩個質(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。