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1·By using the asymptotic theory a class of nonlinear coupled system is considered.

利用渐近理论，讨论了一类非线性对偶系统。

2·Traditional statistical theory aims at the asymptotic theory when sample size is tend to infinity.

传统的统计学研究的是样本无穷大时的渐近理论。

3·Discrete time convergence system is an important tool for investigating the asymptotic theory of linear model in discrete time.

离散时间收敛系统是研究离散时间线性模型渐近理论的重要工具。

4·To overcome the long test time and big error in single variable open loop step test method, a novel identification method based on asymptotic theory (asym) is presented.

为克服传统单变量开环阶跃测试法测试时间长和误差大的缺点，提出一种基于渐进黑箱理论的多变量辨识方法。

5·Thus, the fully asymptotic expansion of the homogeneous solution within the accuracy of theory of thin shells is obtained.

这样，轴对称正交异性圆环壳的齐次解第一次有了达到薄壳理论精度的完全的渐近展开。

6·For the absorbing medium and multiplying medium, it has given precision which the asymptotic diffusion theory possesses.

对于非纯散射介质，它给出了具有渐近扩散理论精度的结果。

7·The limitations of various typical flux-Limited diffusion theory and advantage of asymptotic diffusion theory with time absorption constant are analyzed and numerically compared.

对几种典型的限流扩散理论的局限性与含时间吸收项的渐近扩散理论的长处作了分析和数字计算比较。

8·The existence and stability of periodic solution are studied by using the bifurcation theory, linear stability theory and the method of asymptotic expansion.

运用分歧理论、固有值的解析摄动理论和渐近展开的方法，获得了共存时间周期解的存在性和稳定性。

9·The uniformly valid asymptotic solution to the original initial boundary value problems was obtained by the theory of differential inequalities.

利用微分不等式理论，得到了原初始边值问题解的一致有效的渐近解。

10·Using the fixed point principle and the theory of differential inequality, we prove the existence of the solution and an uniformly valid asymptotic expansions of the solution is given as well.

利用不动点原理及微分不等式理论，我们证明了边值问题解的存在性，并给出了解的一致有效渐近展开式。