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- C=N双键C=N double bond
- C=C、C=O和C=N双键的均相选择性催化加氢研究Studies on Homogeneous Selective Catalytic Hydrogenation of C=C, C=O and C=N Double Bond
- 双pair
- 现代汉语定中“V双+N双”结构研究A Study on the Structure of "V double syllables + N double syllables" in Contemporary Chinese
- 双击double-click
- 双键double linkage
- 双语diglossia
- 一种具有双键连接C=CN的胺。an amine containing the double bond linkage -C=C-N-.
- 摆动双键oscillating double bond
- 半环状双键hemicyclic double bond
- 半极性双键semipolar double bond
- 内双键internal double bond
- 双键烃double-bonded hydrocarbon
- 端双键terminal double bond
- 苯双键[机] benzene double bonds
- 双键连接的doubly bonded
- 同源双键homoduplex
- 末端双键terminal double bond
- 碳氮双键carbon-to-nitrogen double bon
- 碳碳双键carbon doublebond
