shiXuTu

代码说明：

  作业A和作业B串行（不采用缓输出技术）的时序图 作业A和作业B并发（采用缓输出技术）情况下的一种时序图(Job A and job B serial (non-use of slow output technology) and timing diagram concurrent operation A and operation B (using slow output technology) in case of a timing diagram)