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| 2018, Vol. 55(2): 146-151 DOI: | ||
| Relative Coordinate Measuring System Applied in the Geological Advanced Prediction with Tunnel Reflection Tomography | ||
| (Sichuan Zhongshui Chengkanyuan Geophysical Exploration Co. Ltd., Chengdu 610072) | ||
| Received null Revised null | ||
| Supporting info | ||
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