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| sector | |||
| sector display (显示) | |||
| sectoring | |||
| sector scanning | |||
| sector display | |||
| sector scan | |||
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| sector scanning | |||
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| sector display | |||
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| sector scan | |||
| 扇形扫描: 18 phrases in 8 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Electronics | 1 |
| Fishery fishing industry | 1 |
| Geology | 1 |
| Oil / petroleum | 2 |
| Space | 4 |
| Technology | 6 |
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