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| 笔形波束; 窄波束 | |||
| 电波锥形射束; 锐方向性射束; 锐锥形光束 | |||
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| 笔形束 | |||
| 锐方向性射束 | |||
| 锐锥形光束; 笔形波束 | |||
| 锥形光束; 尖向束; 集束性光束; 铅笔状射束; 铅笔形波 | |||
| pencil-beam: 23 phrases in 7 subjects |
| Air defense | 4 |
| Aviation | 2 |
| Construction | 1 |
| Electronics | 2 |
| Remote sensing | 1 |
| Space | 5 |
| Technology | 8 |
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