春天到了,小豆丁和爸爸去郊游。早晨,他将自己的帽子挂在一根刚出土的、和他一样高的竹子顶上。下午,当他准备回家时,他跑到竹子前一看,竹子将帽子顶得高高的,他踮起脚也拿不到。小豆丁傻眼了:“是谁把我的帽子移到高个的竹子上去的?”爸爸一听笑了:“是竹子长高了。”小豆丁可不信:“怎么可能长得那么快。”亲爱的小朋友,你知道是怎么回事吗? A竹子吃的营养多 B竹子会跳高 C竹子的每一节都在努力生长 D
An improved ensemble empirical mode decomposition (EEMD) algorithm is described in this work,in which the sifting and ensemble number are self-adaptive.In parti
A Lagrangian relaxation (LR) approach was presented which is with machine capacity relaxation and operation precedence relaxation for solving a flexible job sho