covalent bond造句

1、a covalent bond in which both electrons are provided by one of the atoms
两个电子都由一个原子提供的共价键。

2、The relations of the covalent bond lengths calculated by the model agree with the empirical ones.
由此计算出来的共价单键、双键和叁键之间的键长关系基本符合共键长间的经验关系。

3、a covalent bond in which both electrons are provided by one of the atoms.
两个电子都由一个原子提供的共价键。