根据定理4.3的推论, 原点是渐近稳定的.By the corollary to Theorem 4.3, the origin is asymptotically stable.从原点至无穷远处的曲线起分支割痕的作用.Curves running from the origin to infinity may serve as branch cuts.有心力是一种径向力,它的大小只取于离原点的距离.A central force is...
本文介绍了钏路煤层及相关割理系统的特性,通过试验研究了围压变化和煤层割理对气体渗透性的影响.The influence of confining pressure change and coal cleat on gas permeability is studied by experiments....
The Gaiety is reviving John B. Kean's comedy "The Man from Clare".盖伊提剧院正在重新上演约翰·B.基恩的喜剧《来自克莱尔的人》。Clare did not deserve the vilification she had been subjected to.克莱尔不该受到这样的诽谤。He was offered a research fellowship at ...