cess(PID,Memory,Priority)：新建一个过程，编号为PID，其占用的内存为Memory，优先级（称为外部优先级）为Priority；</span></div>
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<div style="text-indent: 24pt"><span style="font-size: medium">AddMessage(PID,Priority)：在过程PID中新建一个任务，其优先级（称为内部优先级）为Priority；</span></div>
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