The equations of nonlinear viscouselastic beam are considered, The existence of absorbing set and inertial manifolds for the system are obtained, and from which we get that the P D E.
考虑具有介质阻尼及非线性粘弹性本构关系的梁方程，证明了它的有界吸收集和有限维惯性流形的存在性，并由此得到在一定的条件下所给偏微分方程等价于一常微分方程组的初值问题。
He uses English wonderfully, with imagination, with economy, with elegance. We must read him, really, for the sheer pleasure of the language'. —P. D. James.
他精妙地运用英语写作，文字充满想象，简约，优雅。我们一定要阅读他，真的，只为欣赏语言之美。—P•D•詹姆斯。
In this paper, We prove that the orthogonal condition to solve the uniform asymptotic solution of second order linear P. D. E in periodic region is the necessary and sufficient condition.
本文证明了求解周期区域上的二阶线性偏微分方程的一致有效渐近解的正交条件是充分和必要的。
The R. P. D. is presented in this paper. Except the usual ship model test, it is possible to carry out measurement of tests for the underwater model and multi-propeller shaft model.
本文提出的变磁阻式螺旋桨动力仪除用于水面船模试验外，并可用于水下模型及多桨轴模型试验。
Objective Through check of Mediterranean anaemia and G-6-P-D lack, prevent and control occurrence of Mediterranean anaemia, and lower the outbreak rate of G-6-PD lack.
目的通过对地中海贫血及G-6-PD缺乏症的筛查，预防和控制重症地中海贫血的发生，降低G-6-PD缺乏的发病率。
Objective Through check of Mediterranean anaemia and G-6-P-D lack, prevent and control occurrence of Mediterranean anaemia, and lower the outbreak rate of G-6-PD lack.
目的通过对地中海贫血及G-6-PD缺乏症的筛查，预防和控制重症地中海贫血的发生，降低G-6-PD缺乏的发病率。
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