1.
The bonding electrons are π electrons, which is at variance with the notion that single bonds are always σ bonds.
成键电子是π电子，这与单键总是σ键的看法不一致。
2.
In the complex these atoms are each bound to one central atom and not to each other.
在络合物中，这些原子都和中心原子成键，而彼此不成键。
3.
A chemical bond or link created by cross-linking.
交键通过交联形成的化学键
4.
Click Create New Encryption Key to generate a new encryption key.
单击“新建加密键”以生成新的加密键。
5.
The parent key column must be from the same table as the member key column.
父键列必须与成员键列来自同一个表。
6.
The 90 keys of the keyboard must be organized as a 9 by 10 matrix.
键盘的90个键必须组成9×10的矩阵。
7.
Dihydrogen Bonds and Traditional H-Bonds of B_3N_3H_6 with HF,HCl or H_2O
B_3N_3H_6与HF、HCl和H_2O形成的氢键和双氢键
8.
This key combination is not valid. Key combinations must consist of zero or more modifier keys and a single key.
该组合键无效。组合键必须由零或多个组合键和一个单键组成。
9.
The key to success is hard work .
艰苦努力是成功的关键。
10.
On this depends the success or failure of rent reduction.
这是减租成败的关键。
11.
They are the life and soul of success, as well as of happiness;
两者不仅是幸福的关键，也是成功的关键；
12.
The parent key column must be of the same data type as the member key column
父键列必须与成员键列的数据类型相同
13.
Investigation on Phosphotungstic Acid-Catalyzed C-C and C-N Bond Formation
杂多酸催化的碳碳键和碳氮键形成研究
14.
Theoretical Study on Dihydrogen Bonds and H-Bonds of B_3N_3H_6 with H_xCF_(4-x)(x=1-3)
B_3N_3H_6与氟代甲烷形成的氢键和双氢键的理论研究
15.
Realizing technique research of wireless keyboard based on wired keyboard
有线键盘改装成无线键盘的控制方法研究
16.
Keyword: Constitute, Ink and Washing Painting Component, Work, New Features.
关键词：构成，水墨构成，作品，新特征。
17.
Cost Control:The Key to Construction Item Cost Management;
成本控制——施工项目成本管理的关键
18.
The Key to Implement ABC--the Calculation of Activity-Based Cost;
实施作业成本法的关键——作业成本核算