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。
This paper analyses the method of analytic geometry for resolving spatial relationship in GIS and summarizes its limitation.
基于解析几何法导出的最大压力角表达式，导出了偏心凸轮机构和对心凸轮机构的基圆半径和偏距的计算公式。
According to the allowed pressure Angle, this paper determines the disk CAM with translating followers basic circle radius and eccentricity by using the analytic method.
通过对历届高考解析几何试题的探讨，尝试从题型特点寻求解答通法，建立一种解题模型，指导解题，以寻求简捷的解题过程。
A model of working out a solution is established and directive functions are formed, so as to explore a forthright way through the entrance examination problems of analytic geometry and the types.
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