地球上的方向是通过方位角测定的.Direction on the sphere is measured by azimuths.每个交叉点上的一条边的长度和方位角是一开始就决定的.The length and azimuth of one side at each junction point is first decided on.方位误差必须观测天文方位角 ( 及经度 ) 来控制.The error in azimuth must ...

“方位角”的英语可以翻译为：azimuth，[计] azimuthal angle，azimuth angle ...