怎么理解这道题？

NO.PZ202208300200000501 问题如下 The type of error least likely to generatethe weather taset referennote is: A.invality. B.incompleteness. C.non-uniformity error. SolutionA is correct. invality error is whether the ta are outsi of a meaningful range, resulting in invalitIn this example, the sensors were upgrato colleaitioninformation annot to correprevious recorngs.B is incorrect. The upgra of sensors to capture new ta fiel will create incompleteness errors—whiare errors where the ta are missing or not present—in historicrecor because they woulcaptureonly on a going-forwarbasis.C is incorrect. The upgra of sensors to capture new anexisting ta fiel ceasily create non-uniformity errors—whiare errors where the ta are not present in inticformat—because they coulrecormore or less tail, save in a fferent format, anso on. 文章中哪里提到sensor的事情？