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

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