The paper analyses the teaching of Engineering Survey, describes the basic concepts of error including the definitions of accidenterror and closure, and finally provides examples for teaching.
主要分析了工程测量教学中误差基本概念的应用，描述了偶然误差和闭合差等概念，举出了教学中的一些例子。
2
Pilot error, to wit failure to follow procedures, was the cause of the accident.