Terms containing errors of sampling

Subject	English	Chinese
agric.	error of random sampling	随机取样误差
interntl.trade.	error of sampling	抽样误差
interntl.trade.	errors of sampling	抽样误差
qual.cont.	limit of the error of sampling	抽样差限
econ.	the ultimate error of sampling	抽样最大误差
econ.	ultimate error of sampling	抽样最大误差