英汉例句

• by using the method of differential inequality and riccati transformation, some sufficient criteria are obtained for oscillation of such systems under robin and dirichlet boundary value conditions.

  本文继续对部分系数恒为零的多项式系数的一类黎卡提方程组，论证了它的解具有某类流动极点的充分条件。

• in this paper, the upper and lower solutions method and the differential inequality technique are used to study the solvability of a nonlinear third-order boundary value problem.

  本文利用上下解方法和微分不等式技巧研究了一类非线性三阶边值问题的可解性，在非线性项满足某些局部性条件时得到了一些存在性结论。

• this paper establishes a delay differential inequality with varying coefficient and varying delay.

  本文首先建立一个变系数变时滞微分不等式。

• the linear boundary value problems on second order nonlinear hammerstein type integro-differential-difference equation were studied by means of differential inequality theories.

  考虑一阶脉沖泛函微分方程非线性边值问题，利用上下解方法和单调迭代技术得到了耦合解和唯一解存在的充分条件。

• according to the theory of differential inequality and the comparision theorem, we will get some criteria of the uniform persistence and global attractivity for the system.

  本文中，我们考虑一类带有扩散和时滞的捕食系统，利用微分不等式理论及比较定理，得到了系统的种群一致持久性和全局渐近稳定性的判别準则。

• the dissipativity and global attracting set of a general class of neural networks with continuously distributed delays was studied by using nonnegative matrix and differential inequality technique.

  利用非负矩阵和微分不等式技巧，在一般的条件下，获得了关于此类系统解的耗散性的新判据，并估计出超球形全局吸引集的边界。

• using the method of boundary layer correction and the differential inequality theory, we prove the existence theorem of solutions and construct the uniformly valid asymptotic expansions of .

  我们利用边界层校正法以及微分不等式理论证明了解的存在定理，并构造出其解的一致有效渐近展开式。

• among ordinary differential equation equations, differential inequality is a useful tool which helps research on properties of equation-solving.

  在常微分方程论中，微分不等式是研究方程解的各种属性的有用工具。

• in this paper, we study the existence and uniqueness of solution for nonlinear boundary value problem of volterra type equation by means of differential inequality theories.

  依据抛物偏微分方程一般理论和比较原理 ，证明了一类半线性种群扩散偏微分方程第一边值问题的非负解的存在性与惟一性 。