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| area coverage; local area coverage; zonal coverage | |||
| region overlapping | |||
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区域覆盖 : 27 phrases in 9 subjects |
| Advertising | 6 |
| Aviation | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Forestry | 1 |
| Nautical | 2 |
| Space | 5 |
| Technology | 6 |
| Telecommunications | 2 |
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