它的第一个设计非常简单，所有指令都在一个时钟周期内完成。
Its first design was very simple and all instructions were completed in one clock cycle.
在这个程序中，完成指令1需要花费4个时钟周期。
In this program, it takes four clock cycles for instruction 1 to finish.
因为不同的指令采取不同的时钟周期完成。
Coz different instructions take different clock cycles to accomplish.
因为不同的指令采取不同的时钟周期完成。
Coz different instructions take different clock cycles to accomplish.
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