On condition that we have known the true azimuth of the tunnel and determined only two false dip in the tunnel, the attitude value has gotten by simple computation.
在已知巷道掘进方位角前提下，仅现场实测两个伪倾角数值，经简单公式计算，便可得到顶板产状。
The 3-c induction log system can directly measure both horizontal and vertical resistivity of strata and also measure the dip Angle and azimuth of strata.
三分量感应测井系统可直接测量地层的水平电阻率和垂直电阻率，还可测出地层的倾角和方位。
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