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HEPA filters capture almost all particles in the air that are zero point three microns in size or larger.
VOA: special.2009.07.14
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We will always have r equals zero in these radial probability distribution graphs, and we can think about why that is.
在这些径向概率分布图里,总有ｒ等于０处，我们可以考虑为什么会这样。
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Unlike the case for energy like you've seen in lots and lots of disciplines, where you can arbitrarily set the zero in a way that makes it convenient for you.
通过无数的练习题,你们已经看到这和能量不同，对于能量我们可以任意确定,能量的零点。
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At sixty degrees below zero, a man with wet feet must not fail in his first attempt to build a fire.
VOA: special.2010.05.01
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And also that we know that the zero does not count as a node, if per se I actually had managed to hit zero in drawing that, so the correct answer would be the bottom one there.
另外你们要知道零点不是节点，假设说我确实把零点画成０了，那正确的结果就是底下这个。
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"This is ground zero for the nation." Democrats in the state Senate fled to the neighboring Midwestern state of Illinois.
VOA: special.2011.02.25
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If you fail to take the test, you get zero, and I average the zero in.
如果你没能参加，那即是零分，我算平均分的时候会加入那个零分。
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And it can go from zero to ninety-five kilometers an hour in just two and one half seconds.
VOA: special.2009.11.03
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I have zero interest in describing historical figures in psychology just for the sake of telling you about the history of the field.
给你们介绍这两位心理学泰斗,并不只是想让大家了解心理学史。
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The old men had told him that no man should travel alone in the Yukon when the temperature is sixty degrees below zero.
VOA: special.2010.05.01
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I think one reason why they may have changed it in 2003 is that interest rates were getting really close to zero in 2003.
我认为其中一个,为什么他们在2003年改变了它的原因,就是利率在2003年真的快要接近零了。
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The countdown reached zero just as Frank Borman and James Lovell, in Gemini Seven, passed overhead.
VOA: special.2009.07.01
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Somebody's up there going and it's actually the bass so we'll be wanting to zero in on the bass in a big way in music because that's oftentimes giving us much more information than the melody.
有些人在那唱,事实上那是低音,所以我们在音乐中,主要将注意力集中到低音上,因为大多数情况下,相比旋律而言,低音给我们的信息更多
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Australia has set a November deadline to zero, for Japan to stop whaling in Antarctic waters, or face international court action.
VOA: standard.2010.02.20
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In week zero, when we tore the phonebook in half and half and half we were recursing through that problem.
当我们将电话簿划分为一半又一半的时候,其实就是利用递归在解决问题。
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It says, given a low and a high range, 9 in this case it would be zero to nine.
给它一个下限和一个上限，在这个例子中就是0到。
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If the time you are interested in is not zero, you're allowed to cancel it and get the time from here.
如果你们关注的解不是零时刻,那么就可以忽略它,然后从这里解出时间
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we learned that the average number of romantic relationships for people to take positive psychology in 4 years is between zero and one.
我们了解到上积极心理学课的人,在4年里恋爱次数的平均数在0到1之间。
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And they're higher than perfect competition, which of course, has zero profits in this case.
并且它比完全竞争条件下的利润高,这也是必然的,因为完全竞争下的利润为零
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Going from two to three, that's an adiabatic expansion, so q is equal to zero in that step.
从第二点到第三点，是绝热膨胀，因此q等于零。
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In principle, this value, this efficiency, can approach 1 as the low temperature approaches absolute zero.
这个值，效率，当低温热源的温度1,是据对零度时可以达到一。
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Let's plot droplet velocity as a function of looking at the number that have this velocity 0 with the zero being in the center here.
我们将液滴的速度设定为,观察那些数字作用，在中心的地方,速度为。
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It's much more relevant to set our zero point energy as the separation of a bond in terms of talking about the reactions that we'll usually be dealing with here.
更好的是把零点能定在,键断裂的时刻,在讨论化学反应的时候,而我们以后将经常遇到化学反应。
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Yale University is a non-profit corporation; the price of a share in Yale University is undefined-- it's zero over zero.
耶鲁大学可以看作是个非盈利组织,它的股价无法定义,是零除以零
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We looked at pressure change before, actually, in discussing the third law, the fact that the entropy goes to zero as the absolute temperature goes to zero for a pure,perfect crystal.
在讨论热力学第三定律的时候，我们讨论过压强变化,即对于纯净的完美晶体,随着温度下降到绝对零度熵也变成零。
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So all of these programs or commands that we've been using thus far for the piece set in class, take what we call command line arguments, they are the zero or more words that follow the program's name.
所有我们一直在课堂上使用的,这些程序或者命令，携带着命令行参数，它们是跟在,程序名的后面的一个或多个单词。
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But here, as we saw in week zero with the shoe example putting on socks, I have to increment this variable explicitly myself.
但是这里，像我们上周看到的，鞋子穿在袜子上,我需要亲自明确地增加这个变量。
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Well, the energy at infinity is zero -K and the energy in the ground state is minus K.
无限远处的能量值为,而基态能量值为。
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But a real key in looking at these plots is where we, in fact, did go through zero and have this zero probability density.
是我们经历这些零值,而且有这些零概率密度,我们把它叫做节点。
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In fact, my program crashes because I end up trying to divide by zero, a really bad thing. Hint: if you implement Newton's method, do not make your first guess zero.
我下一步都没法开始,实际上，我的程序会崩溃，因为我试着去除0了，真糟糕,提示你：如果你想用牛顿的方法，第一个猜想数别设为0。
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