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The capsule is very narrow, about fifty-three centimeters in diameter.
VOA: special.2011.08.12
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They might be 100 nanometers or so in diameter, whereas, a cell is ten microns or so in diameter.
直径只有一百纳米左右,而一个细胞的直径是十微米左右
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And, that's a good thing to know because if you come out with an answer that's somewhere near the diameter of the universe and it's supposed to be the diameter of an atom, then you will know that you probably made a mistake.
这是我们需要知道的,因为当你做一道题得到的答案,是宇宙的直径,而正确答案是原子直径时，你能很快发现你的错误。
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That cabin is a 14-ton spherical steel capsule only two meters in diameter, with a single,half-meter-wide circular plastic window for viewing.
VOA: standard.2010.06.21
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It turns out that the diameter is actually 2 . 5 centimeters.
这个实验完成的很好,而且又没有放射性。
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One serving of pancake is three inches in diameter.
一份的薄煎饼的直径应该是三英寸
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It looks a little something like that, and the screen doesn't quite do it justice here, Z but there's two alphabets; A through Z, and then A through Z, -- but the inner A through Z is on a small -- it has a smaller diameter; so it's a ring of letters.
它看起就像那样的东西，那个画面做的不是这么公正，这里有两个字母表，A到Z，然后A到，但是戒指内部的A到Z是在一个小直径的上面-,它有一个小的直径，所以它是一个有字母的戒指。
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Because of that you can't count on molecules moving rapidly over the size of a cell that's ten to 30 Microns in diameter.
因此不要对生物大分子能在,直径十到三十微米的,细胞里高速穿行抱有任何指望
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In addition, if we compare this to the diameter of an atom, which is on the order of somewhere between one and ten angstroms, now we're seeing that, in fact, this wavelength is significantly larger than its environment.
另外，如果我们把它,与原子的直径相比，原子直径近似1到10埃米之间,我们现在来看看，事实上，这个波长比它所处的环境大很多。
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If we think of the size of a typical atom, we would say that would be about 10 to the negative 10 meters. So, we can see the diameter of a nucleus is absolutely smaller really concentrating that mass into a very small space.
一个普通细胞的大小，抱歉，我和细胞核搞混了0,如果我们考虑，一个普通原子的大小,这大概是10的负十次方米,所以原子核的直径确实非常小,真的是把质量。
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A pancake is three inches in diameter.
薄煎饼的直径应该是三英寸
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Bacterial cells are small, one to two microns in diameter and this shows a picture of a common bacterium called E. Coli.
细菌细胞很小,直径只有一到两个微米,这张图片是一种常见细菌,大肠杆菌
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