velocity-variation
| amplifier
| velocity variation | |
| avia. | 变速 |
| hydroel.st. | 速度变化 |
| amplifier | |
| acoust. од. | 放大器 |
| audio.el. | 扩音机 |
| dril. | 放大镜 |
| exhib. од. | 扩音器 |
| geophys. | 放大 |
| met. | 放大机 |
| oil | 放大系数 |
| radio.amat. | 放大器 |
| tech. | 扩大器; 增强器 |
| |||
| 变速 | |||
| 速度变化 | |||
| 流速变化 | |||
|
velocity-variation : 21 phrases in 8 subjects |
| Air defense | 2 |
| Aviation | 3 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 11 |
| Wind Energy | 1 |