The idea then, is to design “sensor systems that can enter living cells and complex environments and remain in an ‘off’ state until exposure to a target leads to a [signal].

根据方案，将如此设计：敏感元件系统能记录活细胞并在复杂环境下保持关闭状态，直到接收到目标型号。

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They defend their territories from other antbirds by singing complex duets to signal their combined strength.

它们通过复杂的鸣声二重奏来显示其合作的强大，以此捍卫领地不受其他蚁鸟的侵犯。

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Listing 8 is slightly more complex than the previous example because of the sigset function, which assigns a function pointer to a signal handler.

由于使用了sigset函数(它向信号处理程序分配一个函数指针)，清单8比前一个示例稍微复杂一点，。

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The reason behind the signal was a complex set of quantitative criteria mixed with our analysis that the market participants were misinterpreting supply chain data.

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But in this case the police were able to track the phones to an apartment complex nearby, thanks to the ability of the phones to signal their whereabouts.

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