【摘要】 本文首先介绍了南京市首级高程控制网的概况,接着重点讨论了跨江水准测量方法的选择,并全面分析了测距三角高程法影响精度的三个因素,结合南京市首级高程控制网全面介绍了数据处理的有关问题。更多还原

【Abstract】 This article first introduced the Nanjing severed head elevation control network survey,met the stress point to discuss the crossriver levelling method choice,and comprehensively has analyzed the range finder triangle elevation law influence precision three factors,unified the Nanjing severed head elevation control network comprehensively to introduce the data processing related question.更多还原