在本文文章中，介绍了一种基于时间步进法求解介质目标、金属非金属组合目标时域积分方程的精确，稳定的方法。

In this paper, we will introduce an accurate and stable method which bases on mot to solve dielectric objects and metal - nonmetal composite objects.

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在本文文章中，介绍了一种基于时间步进法求解介质目标、金属非金属组合目标时域积分方程的精确，稳定的方法。

In this paper, we will introduce an accurate and stable method which bases on MOT to solve dielectric objects and metal-nonmetal composite objects.

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适用于硬质合金刀具，工件及有色金属，非金属等的磨削。

It is suitable for the grinding of cutting tools and workpieces of hard alloy and non-ferrous metal and non-metal materials etc.

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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

And, these are called semi-metals or metalloids.

这些元素被称作半金属或非金属。

麻省理工公开课 - 固态化学导论课程节选

So, when the value of the average valence electron energy lies between 11 eV and 13 eV, we have these elements that are neither fish nor fowl, and you'll see in a little bit their unique electrical properties.

所以，当平均价电子能,在11eV到13eV之间时，这些元素介于金属和非金属之间，你们将进一步,看到它们独特的电性质。

麻省理工公开课 - 固态化学导论课程节选