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In this paper, we consider the unboundedness of solutions for the asymmetric equation x00+ax+?bx?+?(x)ψ(x0)+f(x)+g(x0)=......

研究了一类包含一般Liénard系统的非线性二维平面系统解的无界性,这类平面系统解的有界性问题是具有重要实际应用背景的.先是......

语言的界性（boundedness）在本质上有其模糊性和动态性。认知主体通过选取特定的视角来参与现实世界的构建和识解,从而使语言表达式的......

有界和无界是人类认知客观世界边界概念的一种方式.英语同一动词的界性在小句各成分的作用下会发生变异和分化,参与者和环境成分也......

Beginning with a Lagrangian, we derived an approximate relativistic orbit equation which describes relativistic correcti......