In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of survey data.
除了采样误差，在调查中提问的措辞和一些实际困难也会导致在采集数据中产生误差或偏差。
2
During this information relay there's a margin for error; the wrong data could end up in the policy number field.
在这种信息中继过程中，可能出现错误；保单编号域中可能会出现错误的数据。
3
In case an error occurs, the sense data would be written back to this place.