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MEANING OF
雙鍵
shuāng
jiàn
雙鍵
(
双键
)
How to write
Definition
double bond (chemistry)
Usage
中文释义
在化合物分子中两个原子间以共用两对电子而构成的键。通常用两条短线=”表示。如乙烯(ch2=ch2)、丙酮(﹉3ccch3o)等分子中的键。[hj]
Characters
双
(
雙
) shuāng
键
(
鍵
) jiàn
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