If the signal handler returns, the process continues executing the normal sequence of instructions it was executing when the signal was caught.

如果信号处理器返回，则进程继续执行信号被捕获时正在执行的正常的指令序列。

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When a signal that is being caught is handled by a process, the normal sequence of instructions being executed by the process is temporarily interrupted by the signal handler.

当进程处理所捕获的信号时，正在执行的正常指令序列就会被信号处理器临时中断。

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It's well known that underwater acoustic channel is a coherent multi-path channel, which brings difficulties in signal processing because of the complexity of the received signal sequence.

众所周知，水下声信道是相干多途信道，信号在信道中的多径传播使得接收信号序列复杂化，因而极大地增加了信号处理的难度。

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Now random phrases and images came at me the sudden quick-fire assaults that signal a new idea and I knew that they would come in sequence soon enough, their predestined rhythms would assert.

NEWYORKER: Fjord of Killary