詹姆斯敦, 虽然真的是个很好的港口, 但太过沼泽化, 被蚊虫寄生, 且缺乏新鲜的水源.Jamestown , though it possessed a good harbor, was swampy, infested with mosquitoes, and lacked freshwater sources.并依此分析了三峡工程对土壤潜育化沼泽化的影响.The effect of the Three Gorge project o...
种子蕨类植物包括树状类型的植物.The seed ferns included treelike forms.配水树状管网优化布置属于典型的组合优化问题.Optimization of cooling pipe network layout is a typical combination optimal problem.依照树状结构, 分层次地组建这种8结点的超正方体.According to the tree structure, ...