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单词
mass number
释义
mass number
英
/ ?m?s n?mb?(r) /
简明释义
质量数:一个整数,近似表示同位素的质量,并指定核中核子的数量。
网络释义
短语
1
mass number
核
质量数 ; 多数
2
atomic mass number
物
原子质量数
3
odd mass number
奇质量数
双语例句
1
All the isotopes of a given element have the same
number
of protons, but differ in their
number
of neutrons, and hence in their atomic
mass
.
给定元素的所有同位素都含有相同的质子数,但它们的中子数不同,因此它们的原子质量也不同。
2
I had gained weight in the form of muscle
mass
, but thinking only of lowering the
number
on the scale, I altered my training program.
肌肉量增大,我的体重就增加了,但因为只想着降低体重称上的数字,我改变了训练计划。
3
The
number
of
mass
shooting in the US has quickly increased in recent years.
近年来,美国的大规模枪击事件迅速增加。
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更新时间:2025/8/7 13:29:18