The major error of photo-electric method lies on unevenly dyeing of blueprint.
光电法主要误差来源是图纸染色不均匀。
With great site measurement cases, the paper analyzed the affected factors and technical results of the mine electric method pilot detection technology.
结合大量探测实例，对电法超前探测技术的影响因素、技术效果进行了分析。
The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied.
实践表明，采用钻孔雷达和BEAM电法探测技术对隧道掌子面前方的不良地质情况，尤其是含水情况具有较好的预测结果。
The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied.
实践表明，采用钻孔雷达和BEAM电法探测技术对隧道掌子面前方的不良地质情况，尤其是含水情况具有较好的预测结果。
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