Using traditional manual method, sagcalculation 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。
2
Using traditional manual method, sagcalculation 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。
3
The article mainly studies the field data collection, length calculation method, sag correction and temperature mend, and analyzes and discusses the measuring precision.