 |
phase-comparison
| tracking system
| phase comparison | |
| oil | 相位比较 |
| tracking system | |
| auto. | 追 踪系统 |
| avia. | 外测体制 |
| commun. railw. | 追踪系统 |
| math. | 跟踪系统 |
| space | 跟踪 体制 |
| |||
| 相位比较; 比相 | |||
| |||
| 相位比较 | |||
|
phase-comparison tracking system : 40 phrases in 10 subjects |
| Air defense | 6 |
| Aviation | 2 |
| Electric machinery | 2 |
| Electronics | 9 |
| Hydroelectric power stations | 2 |
| Oil / petroleum | 2 |
| Shipbuilding | 1 |
| Space | 10 |
| Technology | 5 |
| United Nations | 1 |
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