We got rid of serial and parallel ports.
我们抛弃了串口和并口。
There are three structures of multiplexer: serial, parallel and tree.
复接器有三种结构：串行、并行和树型。
The parallel drive and serial drive each has its advantages and disadvantages.
并联驱动和串联驱动方式各有优缺点。
The parallel drive and serial drive each has its advantages and disadvantages.
并联驱动和串联驱动方式各有优缺点。
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