A. (n-2)*180 B. 180 C. 360 D. 540
A. -0.004mm,-0.002mm B. +0.005mm,+0.002mm C. -0.004mm,+0.004mm D. +0.002mm,-0.001mm
A. 多边形内角观测值之和 减 理论值 B. 0 C. 多边形内角观测值与理论值之差 D. 多边形内角理论值 减 观测值总和
A. -170.920 B. 170.920 C. 104.303 D. -104.303
A. 对 B. 错