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| standard test; useful test | |||
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标准检定 : 9 phrases in 8 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Economy | 1 |
| Electronics | 1 |
| Name of organization | 1 |
| Nuclear physics | 1 |
| Shipbuilding | 1 |
| United Nations | 1 |
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