The related theory that the drilling tool is affected by the inclination of the well had proved the fact: if the Angle of the well is greater than a threshold, there will be se.
井斜对钻具的影响有关理论已经证明，如果井斜角大于某一临界值，在狗腿处旋转钻杆将会引起严重的疲劳破坏。
The angle is one of an important feature of corner that is often used as a threshold to decide whether the corner can be utilized.
角点的角度是衡量角点特征的一个极为重要的指标，常作为阈值决定角点的取舍。
Under this premise, the algorithm of data simplification is offered which combines the method of distance threshold with the one of vector angle.
以此为前提，提出了距离阈值法和向量角度法相结合的数据精简算法。
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