As mentioned earlier, kill -l lists all the signals with their corresponding signal number.

如前所述，kill - l可以列出所有信号及其对应信号编号。

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The SRP is the key to estimate the source coherency structure and total signal number.

本文论述了利用平滑秩图可估计出信源的相干结构。

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To view the current list of signals, use kill -l (the letter l) command. The list is presented in the form (signal number, signal name)

要查看当前信号列表，使用 -l （字母 l）命令。

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The e-ink screen shows battery and signal status, the number of connected devices and a smiley icon to confirm public mode.

ENGADGET: Topic: Mobile

Campaign group Railfuture said this was being done by central control and cutting the number of signal boxes, as well as improved communications and other measures.

BBC: Lines between London and the east needs faster trains

There's also an integrated LCD that provides a look at WiFi access information, battery life, network signal strength, and the number of devices connected, with audible alerts and a web admin interface available as well.

ENGADGET: Sierra Wireless intros dual-carrier HSPA+ / LTE AirCard 753S and 754S, with 319U and 320U in tow