极座引线定位方法较好地解决了森林资源连清引线测量过程中转角引线测量难、误差大的问题，同时，对提高样本、样地复位率也有较大帮助，具有计算简单、适用广泛、易于掌握的特点。 The method of locating the pole seat solves the problem of difficult measurement and large error of the corner lead in the process of measuring the lead of the forest resources even in the Qing dynasty. At the same time, it is also helpful to improve the reset rate of the sample and the plot. It has the advantages of simple calculation, Easy to grasp features.