As with any screening test, and most vaccines, the process is not 100 percent effective, and a small number of women with precancerous cells escape detection with false negative tests, for example.

如同大多数疫苗一样，任何筛选试验的程序都不是百分之一百的有效。举例来说，有一小部分妇女的癌前期病变细胞在筛选试验中显示假阴性而逃过了检测。

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This consideration suggests that, along with the false-positive considerations, rapid confirmatory tests will need to be deployed alongside any detection technology used for food defense.

这种考虑建议，通过错误积极比率，我们应需要使用更快速正确的检测方法来普及一些用于食物防御的检测技术。

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The technology is said to have an average detection rate of 96% and a low rate of false alarms: a mere five per million, according to tests by the ISO.

据说该技术的平均检出率高达96%并且虚报率低：根据ISO的测试，每一百万仅仅出现五次虚报。

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However, this could prove conservative if penetration rates of its recently launched Fusion Series AOI systems, which provides significantly better defect detection and minimizes false alarm rates versus other models, trend stronger than expected.

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The Nuclear Posture Review proposes that we consider a series of options that extend presidential decision-making time, by strengthening command and control apparatus around those nuclear weapons, and that we open discussions with Russia to reduce the possibility of either an accidental launch or a false detection of a launch.

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False alarms generated by automatic fire alarm and fire detection systems account for more than 40, 000 of call outs every year, making up a third of all incidents for fire crews in London.

BBC: London Fire Brigade may recoup ?1.3m from false alarm calls