The overwhelming majority of nonlinear differential equations are not soluble analytically.绝大多数非线性微分方程是不能用解析方法求解的.The two - layer systems are by far the easier to treat analytically.双层体系更易于分析探讨.The distinction will be ma...
AutoCAD as a Cartographic Training Tool: a Case Study.利用自动CAD作为绘图培训的工具: 情况研究.AutoCAD as a Cartographic Training Tool.利用自动CAD作为绘图培训的工具.Achievement tables satisfying users request are redesigned with cadastral cartographic...
I lived among the Masai people for many years, but I failed to learn their language.我在马萨依族人中生活了多年, 但没能学会他们的语言.Nomination'Wilderness': Zebra and lion, Masai Mara Reserve, Kenya.提名 ` 荒野 ': 斑马,狮子, 马赛马拉自然保护区, ...
He's still recuperating from his operation.他动了手术，还在恢复。He is recuperating from a serious back injury.他背部受了重伤，目前正在康复中。He is recuperating from illness.他病后正在渐渐地复原....