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单词
carbon 12
释义
carbon 12
简明释义
碳 - 12
双语例句
1
We have
carbon
12
. I will even leave off the 6 because we already know it is
carbon
.
我们有碳12,我们将6省去6,因为我们已经知道它是碳了。
2
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.
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。
3
Carbon
dating works by comparing the amount of
carbon
14, which is a less common and less stable form of
carbon
, to the more abundant
carbon
12
.
碳的年代测定工作是将碳14(碳处于这种状态并不常见,也不稳定)与碳12(碳的常见状态)的含量进行对比。
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更新时间:2025/8/14 3:53:32