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单词
atomic weight
释义
atomic weight
n.
(名词)
abbr.
at wt
【缩写】
The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.
原子量:一种元素中原子的平均重量,通常相对碳12的重量来表示,碳12的重量定为十二个原子量单位
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更新时间:2026/3/11 5:05:01