Terms containing errors in surveys

Subject	English	Chinese
tech.	absolute error in magnetic survey	磁测绝对误差
stat.	error in surveys	普查误差
stat.	error in surveys	调研误差
stat.	error in surveys	调查误差
math.	errors in surveys	抽样误差
tech.	mean-square error in magnetic survey	磁测均方误差
tech.	relative percentage error in magnetic survey	磁测百分相对误差