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The problem when you don't have an end to it is the containment becomes really difficult.

在无有效解决方式的情况下，问题则在於控制漏油变得非常困难。

With the wide use of pesticide, it becomes an important kind of environmental contaminant.

随着农药的广泛使用，它也成为重要的化学环境污染物。

We can simplify it further, using the continuity equation, this becomes

我们可以进一步简化，利用连续性方程，这成为

ABSTRACT With the continuous development of modem signal processing technologies, the signal to be processed becomes more diversified and c...

随着现代信号处理技术的不断发展，所需处理的信号种类越来越多，形式越来越复杂，对系统速度的要求也不断提高。

The discrete element method and the finite element method have their own advantages and weaknesses. Basically, the DEM was developed for predicting the failure problems accompanying with the transition from continuum to non-continuum media. However, it is not accurate to calculate the problem of continuum media. The FEM may forecast the failure area of the material reasonably, while it is hard to calculate the failure process in brittle media. Therefore it becomes a good choice to combine the two methods to construct a hybrid model.

离散元法和有限元法等数值计算方法各有其优势，同时也都存在不足之处：离散元法适于处理由连续介质向非连续介质转化的破坏问题，但对于连续体计算结果精度不高；有限元法适于预测材料破坏的区域，但难以直接用于计算脆性材料破坏过程，因此将两种方法结合可以形成一种较好的混合模型。

The decentralized contracting function becomes appropriate as an organization's contracting needs become more diversified.

分散订约的功能对一个组织的合同需求更适当，更多变。

With the development of the technology, the contradiction between development and environment becomes severity.

随着科技的发展，发展与环境的矛盾日益突出。

Therefore, control and sediment control channel becomes the key to solving the problem of the Yellow River.

因此，控制和治理沟道的泥沙就成了解决黄河问题的关键。

The results show that the increasing Marangoni number will lead to more nonlinear distribution of temperature field, but streamfunction of the cell center; vorticity on the wall and peak value of velocity diminish first, then increase, finally lose stability. The thermocapillary convection in the whole liquid zone appears to get stronger along with the augmentation of Prantal number. The effect of increasing of Biot number on temperature and flow fields is not obvious although the convection is strengthened a little. As increasing the aspect ratio A, thermocapillary convection induced by temperature gradient and liquid viscosity becomes stronger.

结果表明：温度场的非线性分布随着Ma数的增大而加剧，但对流涡胞中心流函数、壁面涡量和轴向、径向速度峰值并不象温度场随着Ma数的增大而单调增大，而是先减小，然后增大，最后失稳，表明Ma数对热毛细对流的影响比较复杂，针对不同的物理模型，会导致完全不同的流态；Pr数愈大，流体的热扩散能力在粘性扩散与热扩散能力之比中愈占支配地位，当Ma数一定时，热毛细对流随Pr数的增大在整个液体区域内有增强的趋势；Bi数增大，热毛细对流有所增强，但不甚明显；A的增大使得由温度梯度和流体粘性诱导的热毛细对流随之增强。

With fast development of world economy and urbanization, city becomes the convergence fields of modern logistics.

随着全球经济和城市化的快速发展，城市成为现代物流的汇聚地。

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。