测量平差是测绘基础理论的重点也是难点。针对必要观测值的确定、极条件方程的列立，附有限制条件的平差等环节，给出了简便解法，以助于对平差理论的学习和理解。%Through many years teaching experience, a few tips of the Measurement Adjustment of some adjustment calculation in the process of teaching were finished, including the number of necessary observation, extremely necessary condition equation of column, the simple method of The indirect adjustment with constraints, which help students to learn to improve the teaching quality.
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