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basic standard reproduces a given unit to the highest level of accuracy attainable at the present state of the art : 2 短语, 1 学科 |
| 马卡罗夫 | 2 |
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basic standard reproduces a given unit to the highest level of accuracy attainable at the present state of the art : 2 短语, 1 学科 |
| 马卡罗夫 | 2 |