index-matching
| oil
| index matching | |
| tech. | 折射率匹配 |
| oil | |
| hydroel.st. | 油; 石油 |
| met. | 汕; 润滑材料; 润滑剂; 润滑 |
| oil | 原油 |
| skydive. | 给…加油 |
| textile | 油布雨衣; 油布衣裤 |
| |||
| 折射率匹配 | |||
| |||
| 折射率匹配 | |||
|
index-matching : 6 phrases in 2 subjects |
| Electronics | 3 |
| Telecommunications | 3 |