radio wave tunnel perspective 无线电波坑道透视
The results show that a tunnel radio signal consists of a summation of many propagation modes.
研究结果显示：矩形隧道电磁波的传播，是由多种模式共同作用的结果。
The use and applicative effects of radio wave tunnel perspective instrument in Wangzhuang Coal Mine are introduced. And some further more improving opinions appearing in use are provided.
介绍了无线电波坑道透视仪在王庄煤矿的使用及应用效果，对仪器使用中出现的一些问题，提出了改进意见。
Between 1305-1365 trenches in a geologic forecast and radio waves Tunnel tomography detection of combining integrated positioning forecasting methods;
在1305-1365坑道之间采用地质预测与无线电波坑透层析成像探测相结合的综合定位预测方法；
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