effective index abbr. | |
el. | 有效指数 |
method abbr. | |
gen. | 法; 标准; 水平 |
environ. | 方法 |
hydroel.st. од. | 方法 |
mech. | 电火花法 |
| |||
有效指数 | |||
有效折射率 |
effective index : 25 phrases in 11 subjects |
Business | 1 |
Economics | 1 |
Electronics | 7 |
Finances | 2 |
International Monetary Fund | 1 |
Project management | 3 |
Refrigeration | 1 |
Securities | 2 |
Technology | 5 |
Telecommunications | 1 |
Water resources | 1 |