Our study established a method called "Local space transform", can simplify the procession of intersection between line segments, improve the efficiency and decrease the complicacy.
针对上述情况，提出了通过局部空间变换的方法，简化直线段之间的求交过程，且在一定程度上可降低算法的复杂度，提高算法的效率。
The paper introduces two algorithms for transferring the GPS result to local grid frame, namely the plane transform model and the space transform model.
文章介绍了从GPS定位结果至平面坐标的两种转换模型，即平面转换模型和空间转换模型。
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