| 单词 | invalidate |
| 释义 | invalidate verb[T] uk/ɪnˈvæl.ɪ.deɪt/us/ɪnˈvæl.ə.deɪt/toofficiallystopadocument,ticket,law, etc. beinglegallyorofficiallyacceptable 使无效；使作废toprovethat anopinion,argument, etc. iswrong 证明（观点、论点等）错误Proving and disproving
invalidate| American Dictionaryinvalidate verb[T] us/ɪnˈvæl·ɪˌdeɪt/to make something nottrue, or to make somethingunacceptable: A fewminorfactualerrorsshould not invalidate thetheory. invalidate| Business Englishinvalidate verb[T] uk/ɪnˈvælɪdeɪt/ustoofficiallystopadocument,contract, etc. beinglegallyorofficiallyacceptable: If you do not go to anapprovedgarage, you arelikelyto invalidate awarrantyon a newcar. Compare validate invalidationnoun[U] Theerrorledto the invalidation of Americanscoreson aninternationaltest. Examplesofinvalidateinvalidate To determine when a delta is no longer needed, the system keeps a weak pointer to it and waits for that pointer to be invalidated. From theCambridge English Corpus Moreover, the simulation studies of models 5-7 indicate that the ratio test is not invalidated by lethals. From theCambridge English Corpus Their overloading is closer to an assertion about their intended use, with a type error signaled if the assertion is invalidated. From theCambridge English Corpus Of course, this in no way invalidates the material or the book. From theCambridge English Corpus Therefore, log entries use weak pointers and a new object is created on replay if the corresponding entry pointer has been invalidated. From theCambridge English Corpus Moreover, theoretical inferences are not merely weakened or qualified but invalidated by violations of the homogeneity assumption. From theCambridge English Corpus A rejection of the homogeneity assumption, however, invalidates this logic. From theCambridge English Corpus However, when the patient and the patient's family are from a culture whose values are quite different, our ethic may be invalidated. From theCambridge English Corpus Such selection of the fitter hybrid genotypes could scatter the clines that make up a hybrid zone, invalidating inferences made assuming concordance. From theCambridge English Corpus However, we would argue that neither of these criticisms invalidates the approach we are taking in principle. From theCambridge English Corpus The calculations extend to 500 fs, after which time the basic assumptions of no hydrodynamics and cold ions are expected to be invalidated. From theCambridge English Corpus Perhaps the disr uption that would follow from invalidating the statutes in question was enough to overcome the risks of the judge-made secondar y rule. From theCambridge English Corpus Besides, persistent sentences once rejected by an update revive when the update is later invalidated. From theCambridge English Corpus The other, by contrast, felt that the issue of invisibility invalidated demonstration and that only a verbal explanation could work. From theCambridge English Corpus Modifying the type of r is not strictly speaking necessary, but not doing so could result in invalidating the pointer for subsequent operations. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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