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Mr.Berlusconi attended a mass for rescuers and volunteers at a police academy in L'Aquila on Easter Sunday and complimented them for their work.
VOA: standard.2009.04.12
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Likewise for mass, we will take a chunk of some material and we will call it a kilogram.
质量也是这样,我们找来一大块材料,然后称它为 1 千克
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plenty good for building strength and muscle mass and also endurance.
对增强力气和练肌肉还有提高耐力都很好。
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Supporters of the plan say that, nevertheless, it will lay the foundation for a new kind of mass transportation in the United States.
VOA: standard.2010.02.15
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That is why this says atomic number, but for most intents and purposes we can say this could be atomic mass.
那就是为什么这里说原子序数，但如果没有意图和目的,我们就说是原子质量。
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But the interim director of the U.S.Centers for Disease Control and Prevention, Richard Besser, says it will be months before any decisions are made about mass-inoculations.
VOA: standard.2009.04.30
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It's a mass, obviously, for death and burial and the commemoration of those who have died.
它是弥撒曲,显然是为死亡和葬礼,以及祭奠那些亡灵
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More vigils and tributes - hundreds of people crowded into the Church of Saint Anna in central Warsaw for a special mass for those killed in the crash.
VOA: standard.2010.04.12
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We divide that by the mass, so 0.12 kilograms, that's the mass of a regulation baseball for the major leagues, and the velocity of the baseball is 42 meters per second. So, we can cross out our units doing our unit analysis.
我们用质量来除它，质量为0，12千克，这是大多数联赛规定的棒球质量,棒球的速度为42米每秒,所以，我们可以消去单位,来做单位分析。
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Pope Benedict prayed for the inured and the two young women who died, telling Sunday's huge open-air Mass that he trusts "Jesus will embrace them in his kingdom."
VOA: standard.2009.03.22
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Further down the line, for example, in the blastocyst I talked about before, we could obtain cells from this inner cell mass or this cluster of cells that becomes the embryo.
沿着这条线看,举个例子,就是我之前提到过的囊胚,我们可以取一些内细胞群的细胞,这种能成为胚胎的细胞群
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Braima says the international community must prepare for a mass exodus of refugees from Darfur by pre-positioning aid in Chad, the Central African Republic and areas within Sudan where people are likely to go.
VOA: standard.2009.03.28
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For example, how do I know that when I pull the spring the first time for the mass, it exerted the same force when I pulled the spring the second time for the elephant?
例如 怎样才能知道,第一次连着物体拉弹簧时,产生的力和,第二次连着大象拉弹簧时产生的力是相等的呢
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"The sight of a mass murderer getting a hero's welcome in Tripoli is deeply upsetting, deeply distressing, above all for the 270 families who grieve every day for the loss of their loved ones 21 years ago.
VOA: standard.2009.08.21
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one for a videogame, "Mass Effect 3"
还有一个电视游戏，《质量效应3》，
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And so we know the force for a particular mass, and we know the area of the piston.
我们知道每个质量对应的力，也知道活塞的面积。
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And so you can look, for example, at the Periodic Table And, if you look up the atomic mass of carbon, 011 you will see that carbon comes at 12.011 for carbon.
如你们所见，例如，在周期表中,如果你观察碳的原子质量，你会看到是12。
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He goes back and redoes the calculation, only in this case he says what I am going to do is I am going to redo the calculation for helium, but I am going to consider not just the mass of the electron but the reduced mass of the system.
他回去重新做了计算，仅在这种情况下他才会说说我将要,为氦重做计算，但我认为,不只是电子的质量,还有系统质量的减少量。
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8 He predicted 68 for the atomic mass.
他预测它的原子质量是。
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I mean they take up a teeny bit but essentially when we're thinking about the set up of the atom, we don't have to account for them as using up a lot of the mass we're discussing.
所以我们可以假设电子没有质量,它们占据了，非常小的一部分,所以当我们考虑,原子的构造的时候,不用考虑它们的质量。
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It's a particle of mass m and momentum p has this energy so you solve for the energy, you get two answers.
一个质量为m,动量为p的粒子,有这么大的能量,你解出能量,得到两个解
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