实验电路连接方便、简捷可靠。
Electric circuits of experiments can be conveniently and reliably connected.
唯一的要求是，电话和电气连接方便。
The only requirement is that a phone and electrical connection be handy.
为了连接方便，在外电极上安装一个BNC连接器。
For convenience in making connections, mount a BNC connector on the outside electrode.
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