Broken Ministry of measurement is the job of the surveying and mapping surface features terrain. Terrain feature points, the point of the surface features characteristic points are collectively referred to as broken Ministry. Plane location determination of the point of broken Ministry common polar

A diagraph is the homework that surveys and map a ground of thing geography.The geography characteristic order,a thing characteristic point knows together as the ground department to order.Measurese the ground department flat surface position that order in common use sit very much to mark the method

The garrulous survey is the mapping thing terrain work.The terrain characteristic point, the thing characteristic point is called as the detail point.The determination detail point planimetric position commonly used method of polar coordinates, the determination detail point elevation usually uses t

Detailed survey is the job of surveying and mapping features terrain. Characteristics of terrain, terrain features are collectively referred to as the broken points. Determination of breaking the plane position of points commonly used polar coordinates method, determination of breaking points of ele