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standard deviation of difference |
差 数 标准差 : 34 phrases in 11 subjects |
Agriculture | 6 |
Animal husbandry | 1 |
Business | 3 |
Corporate governance | 1 |
Earth sciences | 3 |
Ecology | 1 |
Economy | 2 |
Information technology | 1 |
Mathematics | 3 |
Statistics | 5 |
Technology | 8 |