On the basis of analysing the content ,the guiding ideology,and the principle of ecotourism system management,the theory and method of ecological risk analysis are introduced into the ecotourism system management.
在分析生态旅游系统内涵、指导思想和管理原则的基础上 ,将生态风险分析理论与方法引入生态旅游系统管理中 ,提出生态旅游系统管理的生态风险分析程序和生态风险分析方法 ,并给出生态旅游系统管理的多目标非线性规划模
The models are of universal significance for 2D well-path and can be widely used to plan directional wells,horizontal wells and multiple target wells.
该模型具有普遍适用性,可广泛用于二维定向井、水平井和多目标井的井眼轨道设计。
The production scheduling of multipurpose batch processes is difficult to solve for large or medium scale problems due to combinatorial explosion.
由于组合爆炸特性,多目的厂的调度问题很难求解大规模甚至中等规模的问题,本研究采用一种新的随机型进化搜索算法———列队竞争算法对该问题进行求解,引入新的选择策略和变异方法。
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