结构和成键。
从键的整体演化过程可以看出，子体系的尺寸效应对这类团簇负离子的结构和成键有很大影响。
This evolution shows a size effect of the subunits on the structure and the bond for the molecular cluster anions.
碳是一种非常独特的元素，碳原子之间、碳原子和其它原子之间借助多种多样的成键方式形成形态、结构和特性各异的物质。
Carbon is a unique element, and it can be to form varied structures through kinds of electrostatic bonding ways between carbon atoms.
用杂化轨道理论和分子轨道理论阐明了氮的氧化物成键类型，给出了分子空间构型及结构数据的解释。
The spatial configurations and bonding effects of Oxides of Nitrogen were explained by using the Valence-shell Electron Repulsion Theory, Hybrid-orbital Theory and Molecular orbital Theory.
甘氨酸是自然界中二十一种氨基酸中最简单的一种，人们经常选它作为研究生物体系的模型，来说明氨基酸的成键类型和DNA的分子结构。
Glycine is the simplest of the roughly 21 amino acids common in nature, which is usually chosen as model for studying biological systems exhibiting the amino acid type of bonding and DNA structures.
甘氨酸是自然界中二十一种氨基酸中最简单的一种，人们经常选它作为研究生物体系的模型，来说明氨基酸的成键类型和DNA的分子结构。
Glycine is the simplest of the roughly 21 amino acids common in nature, which is usually chosen as model for studying biological systems exhibiting the amino acid type of bonding and DNA structures.
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