• 2021-04-14 问题

    PQ的距离DPQ和方位角αPQ为时,则PQ两点的坐标增量为ΔXPQ=-74.894m,ΔYPQ=+254.044m

    PQ的距离DPQ和方位角αPQ为时,则PQ两点的坐标增量为ΔXPQ=-74.894m,ΔYPQ=+254.044m

  • 1