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| 特殊检验; 特定调查; 专门检查 | |||
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| 专门调査 | |||
| 专题调查 | |||
| 特殊检验【观测】 | |||
| 特别检查 | |||
| 特殊目的调查; 专门调查; 重点调查 | |||
| 特别检验 | |||
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| 特别检验; 船舶换证检验 | |||
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Special Survey : 19 phrases in 5 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| Nautical | 2 |
| Statistics | 2 |
| Technology | 13 |
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