compass survey
常见例句
- In the update the SGMM Compass Survey will help collect new data
在更新中，SGMM Compass Survey调查会辅助收集如下新数据 - Based on existing technology, a new survey method is proposed for the tunnel photography measuring system. To get the coordinates, the system uses cameras, coder and compass.
在总结已有方法优缺点的基础上，根据平洞勘察的特点和要求提出一种新的勘察手段：平洞摄影成像测量系统。
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