Measurement inconsistency arises from a variety of causes, most of which occur only occasionally, if at all, in short-term or experimental studies but are almost inevitable in long-term studies.
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- 测量的不一致性因多种原因而产生。其中大多数即使出现,也只是在短期或实验室中偶然出现,但是在长期实验中不可避免。