这次进行了改进，更为简单实用，自动化程度很高，原数据文件有实例，直接输出平差结果文件，内容包括平差后的坐标，点位精度，误差椭圆三要素（极大值方向）,The improved, more simple, practical, high degree of automation, the original data files are examples of the results of the direct output adjustment documents, including after