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单词 false positive
释义
false positive
noun[C]
uk
/ˌfɒls ˈpɒz.ə.tɪv/us
/ˌfɑːls ˈpɑː.zə.t̬ɪv/
aresultof ascientifictestthatappearsto show somethingexistsor ispresent, when this is notcorrect:
假阳性
Theanthraxtestisunreliablebecause itproducestoo manyfalsepositives.炭疽菌检测是不可靠的，因为这种方法产生太多假阳性结果。
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(Definition offalse positivefrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesoffalse positive

false positive
A sensitivity analysis of the 1881-1902 dataset was calculated at the 50 %falsepositive/false negative rate.
From theCambridge English Corpus
There is also no discussion concerning thefalsepositiverate.
From theCambridge English Corpus
In the best case, the misidentifications of the two models would coincide, and thefalsepositiverate would be max(0.03, 0.068) = 0.068.
From theCambridge English Corpus
Decreasedfalsepositiveresponses indicates improvement from baseline to retest.
From theCambridge English Corpus
The greatest concern is probably the high likely proportion offalsepositiveresults.
From theCambridge English Corpus
The variability of errors andfalsepositiveor negative responses is too small to differentiate the 5th and 95th percentiles.
From theCambridge English Corpus
Matching the cutoffs for all three events does, of course, reduce thefalsepositiveerror; but the price is to increase the false negative error.
From theCambridge English Corpus
Falsepositiverates were also published and varied significantly.
From theCambridge English Corpus
If the 28 growth restricted fetuses had been included, thefalsepositiverate would have been even higher.
From theCambridge English Corpus
Indeed, theoretical thresholds could lead to an increase in thefalsepositiverate.
From theCambridge English Corpus
As a measure of accuracy, we calculated the difference in thefalsepositiverate between procedures.
From theCambridge English Corpus
Lower thresholds result in higher powers but also suffer from higherfalsepositiverates.
From theCambridge English Corpus
Neurodevelopmental outcome was better in male fetuses with an atrium of < 12mm, probably due to the higherfalsepositiverate.
From theCambridge English Corpus
At the same time, the strategy also reduces the number of multiple test and thusfalsepositiveresults.
From theCambridge English Corpus
This potentially interferes with the detection of doublepositive target cells and leads tofalsepositiveresults in the cytotoxic assay.
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.
#https://dictionary.cambridge.org//dictionary/english/false-positive##
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更新时间：2026/3/13 0:14:09