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。
2
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。
3
Listing 8 is slightly more complex than the previous example because of the sigset function, which assigns a function pointer to a signal handler.