This paper analyses the method of analytic geometry for resolving spatial relationship in GIS and summarizes its limitation.
分析了G IS中用解析几何法求解空间关系的特点和缺陷，并提出了采用图形的几何变换法克服它的缺点。
The equations of caustic curve and its initial curve for a crack illuminated by an oblique incident light beam in reflection arrangement were deduced using the space analytic geometry method.
本文用空间解析几何方法，推导了在一般非平行斜入射光条件下，裂纹体表面所形成的反射焦散线和初始曲线的方程。
The results showed that using universal coordinate transform program and analytic geometry method could resolve the problem of measuring area for GPS without function of measuring area.
结果表明，利用通用坐标转换程序，结合解析法求算面积的方法是解决无测积功能GPS测量面积的理想方法。
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