In this way, the alarm load is reduced dramatically and the system false positives rate falls.
这样，可以大大减少警报负荷，降低系统误报率。
Dr Tourassi has found that her system can reliably distinguish tumour masses from normal tissues, and has a lower rate of false positives than systems based on feature extraction.
Tourassi博士发现，这项技术的确能够从正常组织里发现肿瘤组织，并且有着相对于特征穷举法更低的假阳性率。
39 Thus, polygraph tests suffer from a high rate of "false positives" - innocent people whom the test deems guilty.40.
因此，测谎机的假阳性率极高，无辜的人也会被确认为有罪。
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