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Mimi Collins at NACE says the most effective tool is a school's career counseling center.
VOA: special.2009.06.25
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And that's going to be equal to negative z effective squared times r h over n squared.
有效的z的平方,乘以RH除以n的平方。
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So we know that we can relate to z effective to the actual energy level of each of those orbitals, and we can do that using this equation here where it's negative z effective squared r h over n squared, we're going to see that again and again.
我们知道我们可以将有效电荷量与,每个轨道的实际能级联系起来，我们可以使用方程去解它,乘以RH除以n的平方,它等于负的有效电荷量的平方,我们将会一次又一次的看到它。
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The Alzheimer's Association says FDA-approved drugs are effective for half the people who take them.
VOA: special.2011.02.08
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It's not your horizon; it's not my horizon; it's that effective history which takes place when our horizons merge.
这不是你的视域，也不是我的视域;,而是我们的视域融合时产生的有效历史。
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Mary Harris Jones was one of America's most effective labor organizers.
VOA: special.2009.03.16
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I don't know. Does anybody--It has been-- The colleague answered and said that it's not as effective as other methods.
我不是很清楚,有同事回答说,这种方法并不如其他方法有效
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Once that's established,however, she believes it should be cost effective to provide rehabilitation services via remote audio and video links.
VOA: standard.2010.06.14
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This cell can only be an effective barrier if there's no way to get past it.
这些细胞只有密不透风,才足以形成一道屏障
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Aimee Picchi, who writes about business and marketing for AOL's Daily Finance, says studies have shown the ads are quite effective.
VOA: standard.2010.01.27
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I look at somebody's objections about whether the idea is really effective.
我也看到了一些人的反对意见,他们质疑这种想法是不是真的有效。
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President Obama says he is scrapping the Bush administration's proposal, and replacing it with a plan that is more flexible and effective.
VOA: standard.2009.09.17
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He's going to ameliorate their conditions, he's going to make their slavery on his plantations so effective, so good, such a even joyous form of labor, that he will be doing God's work by improving slavery.
他会改善奴隶们的生活条件,他会让自己种植园的奴隶们,提高工作效率,优化管理模式,奴隶甚至是一种令人享受的工作,他会按照上帝的旨意提升奴隶的生活水平
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New data show the World Health Organization's simple and cost-effective approach in fighting tuberculosis works.
VOA: standard.2009.12.09
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Part of the reason why I'm endorsing this market stability regulator is that there's no way we can set up a system that is both very effective in allocating resources and that is also very stable.
我赞成市场稳定性监控者,的部分原因是,没有方法建立一个,既能完全有效配置资源有非常稳定,的系统。
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When the mechanical properties of this new cartilage were tested, they showed that the regenerated cells were just as effective as the rabbit's naturally formed cartilage.
VOA: standard.2010.08.11
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So, what we can do instead of talking about the ionization energy, z because that's one of our known quantities, so that we can find z effective.
我们做的事可以代替讨论电离能,因为那是我们知道的量子数之一，那是我们可以解出有效的，如果我们重新排列这个方程。
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My guess is that it's going to be very effective,".
VOA: standard.2010.01.12
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If we have a higher z effective, it's pulled in tighter, we have to put in more energy in order to eject an electron, so it turns out that that's why case 2 is actually the lowest energy that we need to put in.
而如果有效核电量更高，原子核的束缚也就更紧，我们不得不输入更多的能量来打出一个电子，这就是第二种情况,所需要输入的,能量更少的原因。
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Gates says he realizes there is a limited time to show the new policy is effective and he denied that U.S.and NATO forces are in danger of losing the conflict.
VOA: standard.2009.09.03
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The first is this the z effective, or how much charge is actually in the nucleus that's felt, Z or the I guess we would say the z, how much the charge is on the nucleus that holds it close together.
第一个是有效核电量，或者说实际感受到的核电荷量，又或者我想我可以说就是，使它们保持在一起的,原子核的电荷量。
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And how we figure that out and how we move in a direction that's both effective and affordable is the work that has to be done over the next two years."
VOA: standard.2010.03.26
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And we know as we go across a row in the periodic table, what's happening is that z effective or the effective pull on the nucleus is increasing.
而我们知道沿着周期表的某一行向右看，有效核电量,或者说原子核的有效引力是在逐渐增大的。
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She said the Obama administration intends to devote hundreds more agents and more effective equipment to stem gun-running across the border and curb illegal purchases in U.S.gun shops by so-called "straw men" fronting for Mexican criminals.
VOA: standard.2009.03.25
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And so that's an effective vaccines.
它是一种有效的疫苗
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In recent weeks American news media have reported that U.S.officials continue to believe the tactic is highly effective at killing top al-Qaida leaders in places where they are largely beyond the reach of the Pakistani government.
VOA: standard.2009.05.12
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The reason it's aluminum is because aluminum has a lower z effective, so it's not being pulled in as tightly by the nucleus, and if it's not being pulled in as tightly, you're going to have to put in less energy in order to ionize it, so that's why it's actually going to have the smaller ionization energy.
原因是,铝的有效核电量更少，所以没有被原子核束缚得更紧，而如果没有被束缚得更紧，你为了电离它所需要注入的能量也就更少，这就是,它的电离能会更低的原因。
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The general said that attitude among most alliance members makes it impossible for NATO's International Assistance Force in Afghanistan to pursue an effective counterinsurgency campaign, involving clearing areas of hostile fighters, and holding those areas so economic development and governance projects can proceed.
VOA: standard.2009.03.24
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But what's important is not where that most probable radius is when we're talking about the z effective it feels, what's more important is how close the electron actually can get the nucleus.
但重要的不是,最可能半径,当我们谈论它感到的有效电荷量的时候，更重要的是,电子实际上。
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You just need to remember what's happening to z effective, which really tells us what's happening with all the trends, and once you know z effective, you can figure out, for example, what direction the atomic radius should be going into.
你只需要记住有效核电量的规律，实际上它会告诉我们所有的规律，只要你知道了有效核电量的规律，你就可以判断，比如，原子半径会向着哪个方向发展。
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