... directional surveillance 方位监测 directional survey 直接测量；方向测量；井斜测量 directional surveying 井斜测量 ...
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... directional surveillance 方位监测 directional survey 直接测量；方向测量；井斜测量 directional surveying 井斜测量 ...
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... directional survey 直接测量；方向测量；井斜测量 directional surveying 井斜测量 directional tendency 方位趋势 ...
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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。
It has also discussed the characteristic of control survey of non-directional traverse in urban buildings and concealing terrains and pointed out the practical value and problems of this method.
本文还讨论了无定向导线测量用于城市建筑区及隐蔽地区控制测量的特点，指出这种方法的实用价值和应注意的问题。
Objective: to survey the toxicity and the effect on immunity function of fungal fermentative products in Tripterygium Wilfordii Hook by a novel bi-directional solid-state fungal fermentation.
目的：研究双向固体发酵后雷公藤菌质的急性毒性及对小鼠免疫功能的影响。
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