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| |||
| 双对照 | |||
| 仔细检查 | |||
| 双将 | |||
| 双重核算 | |||
| 重复校核 | |||
| 双重监视; 双重核算制 | |||
| 复核; 双重保险 | |||
| 重复检验; 双重校验; 双重校对 | |||
| 双重格子; 复查; 双格子花纹 | |||
| |||
| 再次确认 | |||
| 复式检查 | |||
| double- check: 19 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Compressors | 1 |
| Construction | 1 |
| General | 1 |
| Mechanics | 1 |
| Polygraphy | 1 |
| Technology | 9 |
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