If the true dip line of one or two joint planes plot within a sliding zone of double-faced slope, a double-faced sliding failure can be possible.

如果有一两个节理面真倾向线落在滑动区内，滑动破坏才可能发生。

youdao

True, Apple’s relative success is partly due to a dip in the oil price, which has pummeled Exxon’s shares, and to the volatility that swept through stockmarkets this week.

事实上，苹果公司的相对优势部分是由于原油价格的下跌，这已经重挫了埃克森公司的股价，再有就是本周席卷股票市场的骤然波动。

youdao

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。

youdao

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