双键 meaning - Chinese-English Dictionary

汉英词典

MEANING OF 双键

双键 (雙鍵)

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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