It is easier to enter retroperitoneum by the straight and closing method. 采用直接闭合式方法进入后腹腔,操作更简便。
This paper deseribes the computer realization of a heuristic method to solve the bottleneck transportation problem with resources constrained. 介绍了资源受限条件下求解运输瓶颈问题的启发式方法的计算机实现。