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So, these on-changing properties that describe the state of the equilibrium state of the system are called state variables.
这些描述,系统平衡态的,变化的属性,就叫做状态变量。
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Now, the coefficient that relates the amount of heat in to the temperature change is obviously going to be different for these two cases.
在这两个例子中,很显然联系热量和温度变化的系数,是不一样的。
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Every time they're changing You know everytime I say change, and eventually you will be hearing there's the same change, too.
他们变化的时候,你知道当我说,变,的时候,你听到的音乐也随之改变了
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But luckily for us, there's a classical equation of motion that will, in fact, describe how the electron and nucleus change position or change their radius as a function of time.
但幸运的是，有一个,经典方程描述了电子和核子,位置或者它们直接的距离是,如何随时间变化的。
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So a lot of teaching and learning can be thought as less synchronic activities and more diachronic one.
所以很多教学可以被看成是,不限于一时的而有历时变化的。
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Something remarkable is happening to the poet and to his language at the same time.
叶芝的诗歌发生了惊人的变化,他的语言也变了。
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STUDENT: The variance of the Gaussian seems to be less than the variance of the uniform.
学生：高斯分布的变化比,均匀分布的变化小。
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But it was completely obvious that that was where the profit was shifting in the industry.
这非常明显地说明了,利益在行业内是不断变化的。
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Whether you take the elevator to the top of the Hancock Tower or whether you walk up the stairs, the change in gravitational potential is identical.
不管你是乘电梯,去大厦的顶层,或者是步行，重力势能的变化是相同的。
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And so, there's been a profound change in public presentations, public views, on race but what about implicit views? This gets more complicated.
所以人们在公众中表达他们对种族的,刻板印象发生了巨大的变化,但私下的刻板印象呢？这就复杂了。
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So which changes in bodies make for a different body and which changes in a body ? makes change for the same body?
因此肉体的哪些变化,会改变原来的肉体？，哪些变化,又会保持原来的肉体？
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What this means is that boats can dock outside these kind of big warehouses and can unload or, depending on the case, load goods.
这一变化的意义就在于,船舶能直接停泊在巨大的货仓外卸货了,当然,也同样能装载货物
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When Modigliani and Miller wrote, there was a differential tax rate between dividends and capital gains.
莫迪利阿尼和米勒写到,如果在股利和资本收益间,有一个随其他因素变化的税率
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The only thing that makes it different for me is the questions that you people have.
这么多年对我来说,唯一有变化的,就是你们提出的问题
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The one theory made some investigations of earth spores, hoping to find-- what do you call that stuff that floats around and makes you sneeze? Pollen.
有种学说对于,土地孢子进行了调查,期待发现,通过植物种子的变化推定气候状况的方法
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But if you look at 1860, the bottom map, if you can vaguely see those deep, dark, red areas, you can see where cotton moved, where slavery moved in the domestic slave trade, and then where Southern political power moved.
看看1860年,就在地图的最底部,如果你们能看到这些深红色的区域,你们就能明白棉花种植地的扩大,是如何导致奴隶需求量扩大的,同样变化的还有南方政权力量
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Virtually every major anatomical change-- think about that for a minute-- every major anatomical change that has existed in humans can be related in one way or another to how foods are acquired and processed by the human body.
事实上,每个重大的解剖学变化,你们想想,人体的每一个重大解剖学的变化,在某些方面,都和获取食物的方式,以及人类机体如何处理这些食物有关
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Insulin, the ligand binds to its receptor, creates a change through a kinase activity that's exposed, which leads to other biochemical changes, which leads to a change in cell behavior - in this case the cell behavior is that more glucose transporters are brought to the membrane and more glucose can enter the cell.
胰岛素,一种能够与受体结合的配体,通过其暴露出的激酶活性引起的变化,导致了其它后续生化变化的发生,进而使细胞行为发生改变,这个例子中的细胞行为就是,更多的糖载体被带到细胞膜表面,这样更多的糖分子进入到细胞内部
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This Is our condition for spontaneous change.
这就是自发变化的条件。
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Let's divide it up into the two sides, the work going on on the left hand side, my left hand side or your left hand side, and the work going on on the right hand side.
仅仅是功的大小而已，让我们把它分成两部分，左手边功的变化，和右手边功的变化。
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Well, I can, for any given case, measure the pressure, determine the entropy and I'll know what the slope of change will be.
好的，对特定的情况，我可以测量压强，确定熵,并且知道这就是变化的速率。
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We want to figure out if the harmony is changing, and if it is changing whether it's changing at a regular or irregular rate.
一是判断和声是否发生了变化，二是如果发生了变化，和声的变化频率是规则还是不规则的。
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The steering wheel is--having the same steering wheel is compatible with changing of a few pieces.
方向盘一直都是原来那个,和它过程中微小的变化,是不冲突的。
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PROFESSOR: No. The goal does not change, it's still the same goal. What changes?
教授：不，我们的目标没有变，那变化的是什么呢？
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And what we see is it is not monotonic.
我们看到的不是无变化的。
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Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.
同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关
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As I mentioned before is one example on the risk for breast cancer in women, so you'd randomly assign half to following their usual diet, the other half to an intervention program where people are prescribed a low fact diet, given counseling and interventions from dieticians and things, and then you look to see what happens for risk as people go forward in time.
我之前提过,这例子研究的是,女性的乳腺癌发病率,你将随机选择其中一半人按一般习惯饮食,另一半人则参与一个干预计划,其中每人都要食用,由营养学家设计推荐的低脂肪菜单,然后再看随着时间推移,被试者的发病率是怎样变化的
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So, if we look on the periodic table, comparing, for example, s to o, if we have s it's below o, what happens to ionization energy as we go down a table?
那么，如果我们看周期表上，比较，比如，硫和氧，硫在氧下面，当我们沿着表向下看的时候,电离能是怎么变化的？
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Certainly in principle we know how to calculate this and other stuff for a change in state of this sort, for lots of changes of state.
的确原则上我们可以对某个状态变化,计算这些物理量,或者其他物理量，对其他的变化也可以做相同的计算。
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Then the second derivative gives the change in entropy with respect to the variable that we're differentiating, with respect to which is either pressure or volume.
二阶导数给出熵,随着变量变化的情况，这些变量包括压强或者体积。
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