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2019329621035_张浩严_homework7 Version 0
👤 Author: by 2351505710qqcom 2021-12-26 16:43:28


四个必要条件:

1.互斥:十字路口的四个角是非共享

2.占有并等待:每辆车都占有十字路口的一角,并等待正前方的一角

3.非抢占:除非每个车主自愿放弃自己所占一角

4.循环等待:1->2->3->4->1

 

预防方式:

1.交通信号灯,同一时间只允许上下或者左右方向车辆通行(靠右行驶的前提)

 

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