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| 切面相切平面 | |||
| 切面 | |||
| 切平面 | |||
| 切线平面 | |||
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| 切面; 切线面 | |||
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tangent plane : 9 phrases in 3 subjects |
| Chemistry | 2 |
| Space | 1 |
| Technology | 6 |
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