work (又称“水平控制网”)horizontal work work control point control point coordinate survey survey
survey
survey angle angle of station
centring centring point traverse traverse traverse traverse traverse traverse —table traverse measurement —ic distance measurement field of length traverse triangulation triangulation chain work control leg angle point of traverses coefficient of traverse closing error of traverse length closing error of traverse length closing error of traverse error of traverse error of traverse point point control point point point mapping control point mapping control point of coordinate error in coordinate increment [forward]intersection intersection