After setting the external port configuration, type exit twice to back out of the configuration mode of the command line.
在设置外部端口配置之后，输入exit两次，退出命令行的配置模式。
As you can guess from the name, the difference is it's an external port, but it delivers the same insane data transfer speeds as the hookup to your hard drive.
顾名思义，两者不同之处在于eSATA是一个外部的接口，但是传输数据的速度跟内部直连一样疯狂。
L298 low emitter transistors connected together, and their corresponding external port can be used to connect an external sense resistor.
L 298低位晶体管的发射器连接到一起，而其对应的外部端口则可用来连接一个外部感应电阻。
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