On principle and method of an expert system, an engineering standard that fits both the multi objective function and the multi objective optimum solution space was established.
运用专家系统原理与方法，确定了既是建立多目标函数的规则，又是辨识和评价最优解空间标准的工程规范。
The application shows that this method is capable of searching the entire solution space in order to find the global optimum, and it is effective and feasible to highway plane optimization design.
实践表明：该方法具有全局解空间搜索能力，从而实现了全局寻优的目的，对公路平面优化设计是有效、可行的。
As multiple sequence alignment problem is an NPC problem, so its optimum solution cannot be obtained because of the time and space limits.
多序列比对问题是一个NPC问题，由于时间和空间的限制不能够求出精确解。
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