With the extensive application of the electro-optical range finders, the polar coordinate method is used as an easy, rapid and exact method for the curve survey of the high class highways.
随着光电测距仪的广泛使用，极坐标法已逐渐成为高等级公路曲线测设的一种简便、迅速、精确的方法。
With the extensive application of the electro-optical range finders, the polar coordinate method is used as an easy, rapid and exact method for the curve survey of the high class highways.
随着光电测距仪的广泛使用，极坐标法已逐渐成为高等级公路曲线测设的一种简便、迅速、精确的方法。
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