Using traditional manual method, sag calculation is complex and prone to making mistake.
传统的手工计算弧垂的方法不仅计算量大，而且容易出错。
Using traditional manual method, sag calculation is complex and liable to make mistakes.
传统的手工计算弧垂方法不仅计算量大，而且容易出错。
The article mainly studies the field data collection, length calculation method, sag correction and temperature mend, and analyzes and discusses the measuring precision.
主要研究内容有外业数据采集、长度计算方法、垂度改正、温度改正，并且对测量精度进行了分析和探讨。
应用推荐