The first step in writing a custom rule is to correctly identify the problem that you want to detect.

编写通用规则的第一步，是正确地识别您想要检测到的问题。

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Scientists need to create better sensors to detect alpha waves and better ways to identify the brain's signals (it's language), he added.

他补充说，科学家需要创造更好的传感器来检测a波和更好的方法来分析大脑信号(脑语言)。

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This is the first time that scientists have been able to identify the distinct chemical signal evoking this response and understand how mice are able to detect this signal.

这是科学家们第一次鉴别出这种能够引起小鼠惊恐的特定化学信号，并弄清了小鼠是如何侦查到这些信号的。

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Or, to help detect identify theft, check every few months by looking up your Experian report on, say, Presidents Day, TransUnion on July 4 and Equifax on Veterans Day.

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Such systems are able to automatically detect and identify human faces using recognition algorithms.

BBC: Big Brother is watching you shop

One possible defense application: Identify the receptors that dogs use to detect explosives, clone them and create a bomb-sniffing machine.

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