Conventional flow switches use flat paddles to detect liquid movement.

传统的流量开关使用平桨来检测液体的运动。

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Besides, with the rapid use of switches in modern network circumstances, the previously used network sniffer programs can not detect the data traffic between other hosts.

另外，随着现代网络环境中交换机的大量使用，传统的网络嗅探器不能再监听到在其它主机之间来回传递的数据包。

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Capacitive proximity switches can detect filling products right through non-electrically conducting container sides.

电容式传感器可以检测填补权通过非产品导电容器方面。

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