three-point intersection
| in space
| three-point intersection | |
| expl. | 后方交会 |
| hydroel.st. | 后方交会 |
| oil | 三点交会 |
| in space | |
| math. | 在空间 |
| |||
| 后方交会在待定点上，对三个已知点观测其方向值，以计算待定点坐标的测量方法 | |||
| 后方交会 | |||
| 三点交会 | |||
| 三点法交会 | |||
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three-point intersection : 1 phrase in 1 subject |
| Technology | 1 |