The system utilizes the security feature of ASICs, and it has a low rate of false alarm in operation.

该系统利用了ASIC保密性能好的特点，工作时误报率低。

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The high rate of false alarm is the main problem that influences the performance of builtin test (BIT) system and its wide application.

虚警率高是困扰机内测试（BIT）系统得到广泛应用的主要原因。

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Since the algorithm of airport recognition based on contextual information has a high rate of false alarm, a new method to reduce false alarm is presented.

主要针对基于上下文的机场识别算法存在较高虚警率的情况进行了改进，提出了一种新的减少虚警率的方法。

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Fido can pick up the smell of TNTvapor at concentrations of just a few parts per trillion, and it was the first sensor to find buried mines at a level comparable to dog performance, with a false-alarm rate of less than 5%.

FORBES: A Nose For Bombs