每个进程有一个进程控制块(PCB)表示。

Each process is a process control block (PCB) said.

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每个进程由一个进程控制块(PCB)表示。

Every process from a process control block (PCB) said.

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每个进程有一个进程控制块（PCB）表示。

Each process has a process control block (PCB) represented.

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每个进程有一个进程控制块（PCB）表示。

Each process has a process control block (PCB) represented.

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