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| 系统验收测试 | |||
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| 系统接收试验 | |||
| 系统合格检验 | |||
| 系统验收试验 | |||
| 系统验收测试 | |||
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| 系统验收试验 | |||
| System Acceptance Tests: 4 phrases in 2 subjects |
| Aviation | 2 |
| Space | 2 |
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