出口后矢状径为坐骨结节间径中点至骶骨尖端的距离。()
参考答案:对
简述胆源性胰腺炎的处理方法。
试修改下面消费者生产者问题解法中的错误 Producer: Begin Repeat … Produce an item in nextp; Wait(mutex); Wait(empty); Buffer(in):=nextp; (in:=(in+1)mod n;) Signal(mutex); Until false; End Consumer: Begin Repeat Wait(mutex); Wait(full): Nextc:=buffer(out); Out:=out+1; Signal(mutex); Consume item in nextc; Until false; End