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In section 3, we take account of Ф〓,Ф〓. Their integral expressions and twice-continuous differentiability are also obtained.

在第三节中，我们考虑Ф〓，Ф〓，它们的积分表达和二次连续可微性也被得到。

And their twice-continuous differentiability are proved.

并且它们的二次连续可微性也得到证明。

We have to change our digit group specification twice.

我们必须改变我们的数字组规格两次。

Low Dilatability and great waxiness,its tenacity is twice more than common gypsum its the ideal material forodontology model

可塑性的石膏，韧性比一般超硬石膏大二倍，是医学齿科模型的理想材料。

By using FEM software we found that discharge lateral pressure is twice higher than static pressure. The effect of the dilatancy is also presented in the paper.

文中通过有限元软件模拟发现筒仓在卸料过程中侧压力值会达到静载情况下的2-3倍，同时发现材料剪涨角对筒仓压力有着重要的影响，为今后的规范修正提供了一定的依据。

The balloon dilation was successful in 24 patients once,in 2 patients twice.

结果 26例中球囊放置成功率100%，一次扩张成功24例，2例2次扩张。

The specific activity of the dimer is twice that of the tetramer.

四体的比活是二体的一半。

For diphtheria, it was about twice that length of time.

前者约几十年，后者是前者时间的2倍。

Wu Tingfang was a famous diplomatist of modern China, who was appointed ambassador to the United States twice.

伍廷芳是中国近代著名的外交家，曾经两次担任驻美公使。

European trade with Africa is still more than twice that of China's and European Union foreign direct investment is far greater too.

欧洲与非洲的贸易规模仍是中非贸易规模的两倍多，欧盟外国直接投资的规模也更大。

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。