A class of ENSO perturbed model is studied. Using the perturbation theory and method, the asymptotic expansions of solution of corresponding problem are constructed.

研究了一类ENSO摄动模型。利用摄动理论和方法，构造了相应问题的渐近展开式。

youdao

We discuss the model of classical risk process perturbed by diffusion in an economic environment, and obtain many calculational formulae on premium according to different premium principles.

讨论了经济环境下带干扰的古典风险模型，并按照不同保费计算原理给出了多种保费计算公式。

youdao

To discuss the strictly positive realness judgment criteria of singularly perturbed systems, a singular system model is employed, and the existing positive real lemma of singular systems is improved.

利用广义系统模型，通过改进已有的广义系统正实引理，讨论了奇异摄动系统的正实性判断问题。

youdao

Some of my supply side friends are probably perturbed with me for my view that, while their model may be appropriate for normal times, Keynes is relevant during a period of inadequate demand.

FORBES: Supply Side Employment Growth