几乎所有非孟加拉族的孟加拉国人都把Bangla当作第二语言。

Almost all non-Bengali Bangladeshis speak Bangla as a second language.

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第二部分：税收征管引入ISO 9000族标准的必要性与可行性分析。

Second part: Analyze the necessity and feasibility of introducing ISO9000 clan standard into tax collection and management.

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在第二个问题中，我们给出了在离散的情形下，指数族势函数严凸的充分必要条件。

In the second we give the necessary and sufficient conditions for strict convexity of power function of exponential family in the discrete case.

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Now, remember, the formation of the ionic bonds was from group one and group two, and over here with group six and seven.

现在请记住，离子键的形成,从第一族和第二族元素，与六七主族的元素相互构成的。

麻省理工公开课 - 固态化学导论课程节选

Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.

举个例子,这个例子表明金属元素，第一族和第二族，与一些非金属元素,在这里，第五族，第六族，和第七族。

麻省理工公开课 - 固态化学导论课程节选

All of these from the group one and two through the group five and six elements, but what about elements, what about molecules like hydrogen, or nitrogen, or maybe oxygen?

所有的这些都是来自于第一主族和第二组主族,到第五主族和第六组主族的悬殊，那么元素呢，比如氢气，氮气或氧气那样的分子呢？

麻省理工公开课 - 固态化学导论课程节选