quadratic approximation
| method
| quadratic approximation abbr. | |
| math. | 二次近似 |
| method abbr. | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
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| 二次近似 | |||
| 二次逼近 | |||
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quadratic approximation : 4 phrases in 2 subjects |
| Earth sciences | 2 |
| Mathematics | 2 |