- polar keying
- 键控: keying; manipulation
- 极性键: heteropolar binding; heteropolar bond; polar linkage; polarized bond
- 中性键控: neutral keying
- 半极性键: semi polar bond; semi-polar link; semipolarbond
- 非极性键: homopolar binding; no olarbond; no olarlinkage; non polar bond; non polar linkage; non-polar link; nonpolar bond
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