1. (chemistry) used of a compound (especially of carbon) containing atoms sharing more than one valence bond. 
   （化学）用来指化合物（特别是碳化合物），含有共享一个以上化合物的原子。
2. an unsaturated fatty acid whose carbon chain has one double or triple valence bond per molecule; found chiefly in olive oil and chicken and almonds. 
   碳链的分子均有一个二价或三价键的不饱和脂肪酸，主要存在于橄榄油、小鸡和杏仁中。
3. Valence characterized by the transfer of electrons from atoms of one element to atoms of another during the formation of an ionic bond between the atoms. 
   电价在原子间形成离子键的过程中，由电子从一种元素的原子转移到另一种元素的原子所表示的价
4. an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil. 
   碳链的分子均有多个二价或三价键的不饱和脂肪酸，主要存在于鱼、谷物、大豆油和红花油中。
5. Having only one valence. 
   仅有一个原子价的

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• 1. 价键结构
  valence-bond method 价键法...valence-bond structure 价键结构...valence-bond theory 价键理论
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