So on your computer's hard drive are again, a whole bunch of tiny magnetic particles aligned this way or this way.
因此,你的电脑硬盘是完全是,有一簇按照这种方式排列的磁性粒子。
If I get you down to a cluster of about 30 water molecules, the boiling point is a function of the size of the water droplet.
如果对于一个由30个水分子,组成的簇,沸点是,水珠尺寸的函数。
The cells of this cluster inside next to the fluid filled cavity is a region of the blastocyst called the inner cell mass.
而这簇细胞的内侧,毗邻于充满液体的空腔的一侧,这些细胞在囊胚中称为内群细胞
Make a lot of the virus, it has all of its antigenic epitopes on it, but we'll just kill it so that it can't replicate.
先增殖出大量的病毒,病毒表面有特定的抗原决定簇,然后杀死病毒使其无法复制
There's a cluster of cells here, there's a sheet of cells that forms an outer lining, and what is most noticeable is this cavity, this fluid filled cavity which begins to develop.
有一簇细胞,一层细胞构成了外形轮廓,最明显的结构就是这个空腔,这一充满液体的空腔开始发育形成
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