再发生

Based on the equilibrium equation of an arch element the cubic nonlinear dynamic model with second order is established and the nonlinear differential dynamic system without constant term is obtained through a transfer process of T=U+b. Hence three fixed points and the homoclinic orbits are found. The critical condition of the chaotic vibration of the elastic arch is given by using the method of Melnikov function. The numerical results of the stationary and chaotic motion are given and discussed.

首先利用拱的单元平衡方程建立了拱的二阶三次非线性动力学模型；然后通过变换使方程转化为不含常数项的非线性微分动力系统，并由此得到无扰动系统的3个不动点与同宿轨道；再用Melnikov函数法给出了发生混沌的临界条件；最后给出了该系统出现定常运动和混沌运动的数值结果。

While wet anti-dropping is in this condition, coupled with the participation of the water.

而湿掉毛是在这一条件下再加上水的参与发生的。

Through the analysis of the local strain concentration or stress concentration, together with the forming ability model, the occurrence and location of the crake can be predicted.

通过分析局部的应变集中或应力集中再加上金属变型能力模型，裂纹的发生和地点可以预见。

Until recently, the most authoritative definition of the word is Press Photo of the news is happening in fact, an instant image of the crawl, together with the text of the assistance, reports to the spread of the form.

到最近为止，最权威的下定义的一句话是："新闻摄影是对正在发生的新闻事实，进行瞬间形象的抓取，再加上文字说明的辅助，来进行报道的传播形式。"

Effects of various parameters such as potential scan rate and cyclohexanol concentration on the eletro-oxidation of cyclohexanol were also studied.

初步认为，NiO首先被氧化为NiOOH，NiOOH再与环己醇发生还原反应生成己二酸和NiO，因此，NiOOH可作为较好的催化环己醇氧化反应的催化剂。

If the U.S. is losing capital, it suggests the dollar will weaken further or interest rates will rise significantly, or both, as it means the country might have a hard time getting financing for deficit spending by its households and government.

如果美国的流入资本不断流失，那么就意味着美元将进一步走软，或利率水平将大幅提高，再或者两者将同时发生；因为这意味着美国将在一段时间内难以为家庭和政府的赤字支出筹措资金。

This is a degeneracy in the principles of liberty...

这是从自由原则的倒退，就是再过四个世纪也不应该发生。

We also studied protective mechanism to liver graft by hepatic denervation and eliminating kupffer cells.

我们认为阻断肝脏交感神经和抑制枯否细胞能明显减轻移植肝的缺血再灌注损伤，从而减少移植肝无功能和功能不全的发生。

And If I had dial up, it would not be possible, so again thank god I have DSL.

而我连通网络的话，这就不再会发生了，所以再一次感谢上帝我有DSL。

A series of azobenzenes with different electron effect substituents were prepared from diazonium salts and benzoguanamine.

将含有不同取代基的芳胺在盐酸介质中进行重氮化反应，制得相应的重氮盐，再与苯代三聚氰胺发生偶合反应，最终得到一系列含有不同取代基的偶氮化合物。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。