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| test at random | |||
| test of randomness | |||
| randomized test | |||
| examination at random | |||
| randomization test | |||
| random test | |||
| 随机 检验: 21 phrases in 6 subjects |
| Business | 3 |
| Commerce | 1 |
| Mathematics | 9 |
| Space | 2 |
| Technology | 5 |
| Textile industry | 1 |
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