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| 使用实验把新开发的一定数量新车交用户使用，在使用中检验各种性能 | |||
| 用户检验 | |||
| 订货人检测 | |||
| 用户〔验收，使用〕试验 | |||
| 用户试验 | |||
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user test : 16 phrases in 5 subjects |
| Automobiles | 9 |
| Aviation | 1 |
| Business | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
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