计算两个产状平面的夹角程序，产状用来地质学中描述岩石在空间分布，包括倾向和倾角。-Calculate the angle between two planes procedures occurrence, occurrence of rock used to describe the geology in the spatial distribution, including the orientation and inclination.

Fortran语言版本的，计算两个产状平面夹角的程序，产状用来地质学中描述岩石空间取向的，包括倾向。-Fortran languages, calculate the angle between two plane procedures occurrence, occurrence of rock used to describe the spatial orientation of geology, including tendencies.

坐标转换源码，实现GPS测量中的大地坐标 空间直角坐标 平面坐标三者之间的相互转换-Coordinate conversion source, realize GPS measurements in space geodetic coordinates Cartesian coordinate plane coordinate conversion among