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In the sense of Von Karman large displacement, the governing equation of nonlinear dynamic response of the clamped circular plates under impact of a mass is established by using the virtual displacement principle and Galerkin's method in this paper. The effect of coupling between the impact load and the displacement of. the circular plates is considered. The governing equation is solved by applying the time increment method and the singular perturbation theory, and the asymptotic solutions of nonlinear dyna...

本文在Von Kármán大位移的意义上，利用虚位移原理伽辽金方法建立了圆板在物体撞击下的非线性动力响应的控制微分方程，在研究响应问题时，考虑了冲击载荷与圆板位移响应之间的耦合影响，文中使用时间增量法和奇异摄动理论求解问题的控制方程，获得了固支圆板非线性动力响应的近似解，并且求解了具体算例，绘出了圆板位移、应力响应曲线以及冲击力随时间的变化曲线。

If Von Croy has not gotten to it, perhaps, this would be the place to begin.

如果Von Croy还没有得到那个部分，或许你可以从那里开始。

Von Croy... I saw it myself.

Von Croy……我看到了。

Though the Waddington and von Bertalanffy programs have not been confirmed in the typical accomplishments and representations in molecular biology in general, and molecular genetics in particular, there are interesting advances that fall between those searches for broad theories couched in mathematically precise differential equation form, and the narrow classes of mechanisms, usually described in qualitative multilevel causal language, that constitute the vast majority of current biomedical explainers.

Waddington 和 von Bertalanffy氏方法，尽管其贡献和代表性并没有在一般意义上得到分子生物学或者在特别意义上得到分子遗传学的确认，但还是在以下方面产生了有益的进展，即，它使我们的广泛的理论搜寻进步到精确的数学微分方程式的形式和通常以定性的多级因果语言来描述的机理的狭窄类别之间，由此构建了当代生物医学因果辨析的主体内容。

Later, we found that many mutual friends, so the topic is more, because she knows we are about to interview Diane Von Furstenberg, and even telephone calls to immediately start her warm up for us.

后来我们发现很多共同的朋友，于是话题便更多了起来，她因为知道我们即将采访Diane Von Furstenberg，甚至立即抓起电话打给她，热情为我们联络起来。

At Nomacorc LLC, a maker of synthetic wine corks in Zebulon, N.C., Chief Executive Lars von Kantzow says the company's exports are being hurt by two new factors: Wine consumption in Europe is going down in many key markets as a result of the recession. And amid a credit crunch, retailers, distributors and wineries are all rushing to cut their inventories in an effort to free up cash.

位于北卡罗来纳州的合成酒瓶塞生产商Nomacorc LLC首席执行长Lars von Kantzow表示，公司的出口受到两种新增因素的影响：经济衰退导致欧洲多个重要市场的酒类消费减少；信贷危机期间，零售商、分销商和酒厂纷纷减少存货以释放现金。

Results showed that during heel strike, calcaneal stress distribution was transferred gradually from calcaneocuboid joint nearby to posterior calcaneus. Thus, the mean von Mises stress was around 30 ~ 180 KPa.

分析结果显示，跟骨於足跟著地期之应力分布由跟骰关节附近逐渐往跟骨后端传递， von Mises应力分布值约为30 ~ 180 KPa。

Besides, the following two features of the book seem to be very incomprehensible: on the one hand, the book includes a full-scale version of Western astrology, not only medical and meteorological one permitted by the Catholic Church, but even natal astrology forbiden by the chruch as well; on the other hand, at the high time when the Tychonic system of calendrical astronomy constructed by Johann Terrenz Schreck (1576-1630), Johann Adam Schall von Bell (1591–1666) and Giacomo Rho (1593－1638) had been contributed by Schall himself to the newly founded Qing dynasty which had officially adopted it immediately, Smogulecki was preaching in the book a system based on Philippe van Lansberge's (1516 – 1632) heliocentric astronomy, and openly claimed that Schall's Tychonic system still committed a number of deficiencies and was outdated, and therefore should be replaced with the Lanbergian system.

另外，该书的两大特点也令人不解：首先，其中包含有完整版本的西方星占学知识，不仅包括天主教会允许的医学和气象星占，而且还包含受教会禁止的生辰星占；其次，在汤若望(Johann Adam Schall von Bell，字道未，1591–1666)等人介绍到中国来的弟谷天文学系统已经被清朝政府正式采纳，传教士的信誉已经微妙地与这种天文学系统紧密地联系在一起的情况下，穆尼阁居然在书中介绍了以哥白尼&日心地动&说为基础的斯伯格(Philippe van Lansberge， 1516 – 1632)天文学，而且还公然宣称，汤若望引进的系统存在许多不足之处，已经过时，应该用兰斯伯格的天文学加以取代。

It has been developed for more than eighty years, got great success. Especially, there are many achievements in recent twenty years, von Neumann, Courant, Friedrichs, Lax, Wendroff and many other mathematics had done a lot of hard work.

它作为一种重要的数值求解方法，经过八十多年的发展，已经取得了很大的成功，尤其是最近二十多年来发展迅速，研究成果颇多，von Neumann， Courant， Friedrichs， Lax， Wendroff等人为此做出了不懈的努力。

Von Croy will not know you have found the library yet.

Von Croy还不知道你已经发现了图书馆。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。