在工程勘察内业资料整理过程中，原始数据的合理性检验是一个重要过程，这里着重介绍 3 σ准则和Chauvenet 准则，并绘制相关程序流程图，使数理统计之计算电算化，以达到提高工作效率的目的-Within the industry, the engineering survey data compilation process, the raw data is an important test of reasonable process, here focuses on 3 σ Chauvenet criteria and guidelines, and draw the relevant program flow, so that the calculation of computerized mathematical statistics in order to improve work efficiency