After you type a password, the Pipe Viewer commands produce a two-line progress meter.

输入密码之后，Pipe Viewer命令生成两行进度显示。

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It is very much if you ever have played tug rope game in the school where everybody's distance is about a meter and there are two sides pulling the same rope to see who crosses the line which side.

这是十分……，如果你曾在学校玩过拖船绳的游戏的话，在那儿每个人的距离大约是一米，两边拉同一根绳，来看谁跨过了哪边的线。

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There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.

电力线载波技术分为两类，一种是用于负载控制、远程抄表和家电自动化的低速电力线载波通信。

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