You impose a major disservice on both human and canine communities if you produce another generation of skittish or bad-tempered animals. 如果繁育出的子代幼犬有气质上或是身体上的缺陷，无论对人还是对狗，都是重大的伤害。
Considering the disturbance of due dates of jobs in scheduling, we design a new crossover which makes each machine keep the critical sub-schedule in the generation of offspring. 考虑工作交期可能带来的干扰，所设计的操作元在生成子代的过程中，将保持最关键的一段子排程。
