Simulation method of directional drilling course was discussed under limited survey point data, and the reliability of simulation method was analyzed with cases.
在测点数据有限的情况下,探讨定向钻孔轨迹的模拟方法,并通过实例分析模拟方法的可靠性。
Based on the shape of the survey curve, the survey point of the ground or the survey point of the buildings are disturbed by the air temperature and the rainfall.
从曲线形态看,无论是地面测点还是建筑物上的测点,都不同程度地受气温变化和降水的干扰。
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