• 2022-05-29
    设用某台经纬仪观测6个三角形三内角,其角度闭合差为ωi (i=1,2,3,4,5,6), 测角中误差m计算公式是
    A: [img=87x51]1803ba6b82c9e12.jpg[/img]
    B: [img=87x50]1803ba6b8aa6f78.jpg[/img]
    C: [img=87x52]1803ba6b92f6eb7.jpg[/img]
    D: 空