permutational
1. permutational isomer
置换异构体
2. When the resources are limited,it is necessary to assign reasonably resources according to permutational algorithm to shorten the delayed time besides controlling the time of key paths.
而资源不足情况下,除了控制关键路线作业时间外,还要根据排序算法合理分配关键作业的资源,以实现缩短延误时间的目的。