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| 拉格朗日方程 | |||
| 第二类拉格朗日方程 (of the 2nd kind) | |||
| Lagrange equation: 11 phrases in 6 subjects |
| Bridge construction | 1 |
| Chemistry | 2 |
| Electronics | 3 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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