There are only three assignments: two six-page papers, that I'll explain how to do. One is a exegesis paper, and we'll spend a whole section discussion talking about what we mean by exegesis and teaching you how to do it.
有三项作业:2篇6页论文,我会讲具体要求的,一篇是注释论文,我们花一整节讨论课,讲什么是注释,如何写注释论文。
And this is where I want to end this section on social psychology by talking about groups.
所以我想在这两节,社会心理学课最后谈一下群体。
often a biologist can discriminate between different kinds of cells that they see in section of a tissue for example, merely by its shape and the characteristics that it has.
生物学家经常可以在组织切片上,仅凭所看见的细胞形状来区分不同细胞,如果举例来说的话,仅通过细胞的形状和特性就足够
So, the number of nuclei, 119 if we were to sit and count these as well, is 119. So, we'll multiply that by just pi, r squared, to get that cross-section, and divide all of that by 1 . 39 meters squared.
如果你们数的话,原子核的数是,我们用它乘以πr的平方,得到横截面积,除以1。39平方米。
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