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Again they've just done that experiment and seen the effects of that on the point measurement with the whole pro.
通过实验,他们便能看到其效果,通过在整个过程中,对点的测量。
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We could just collect a bunch of data. For a material .What's the volume it occupies at some pressure and temperature?
对一种物质我们可以得到一系列测量数据,在给定的温度和气压下,它的体积是什么？
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Over the last couple of years, we can get reasonable measurements of human activities that were hidden from us.
在过去的几年中，人类能够通过适当的方式去测量人的大脑,在以前我们根本无法做到。
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If you were to just talk into an oscilloscope that measured your sound vibrations, there are no pauses between the words.
如果你对着,测量声震的示波器讲话,你会发现在单词间并没有停顿
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Well, this is in a stationary orbit so we need to have a standing wave. Not to scale.
在静止的轨道中,我们需要的是驻波，不是要去测量。
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And many people rightfully so questioned the veracity, the value of these questionnaires, because it is subjective-- ? are we measuring something real?
很多人置疑问卷的，真实性和价值，因为它是主观的-,我们是在测量真实的东西吗？
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You'll actually get to measure EKG's on each other during section the week we talk about that.
在讲心脏那周的组会上,你们将亲手测量彼此的心电图
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If we want to know your blood pressure, you put on the cuff, you've got a measure.
如果想知道你的血压,把设备压在手腕处,就得到一个测量值
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It's important for you guys to know that everything you write down in the notebook or blackboard as a symbol is actually a measured quantity.
其重要性就在于,你们要知道,你们记在本子上或者写在黑板上的任何物理符号,实际上都是测量量
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For example, one of the experiments we do is measure the magnetic field of current coil, and after we do the experiment, we all have a passive visualization that shows the same experimental set-up, except we add to that.
比如，我们做的一个实验就是,测量电线圈的磁场，在我们做完实验之后，我们都感受到了一个直观化的过程,它展现了同样的实验过程，只是那是我们加的。
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Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.
这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。
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And again there, too, you saw an experimental result you were presented with that says, well at least to the extent that it could be measured, it was obviously getting very small.
再一次，你看到了一个,你经知道的实结果，至少在实验测量的范围内，对理想气体条件下的气体这一项很小。
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You know, if you want to measure the potential energy of something in a gravitational field, you have to define the zero somewhere, right, because it's arbitrary. You can set it anywhere you want. It's the same with enthalpy.
你知道，如果你想测量重力场,中某种东西的势能，你需要，在某处定义一个零点，对吧？,因为势能的值是任意的,你可以把它设定在。
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And so, this one here, I am going to say let's bury the needle on this one.
这个分子，我们把测量表的针标在这儿。
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Now of course, it was a psychological experiment, they had all these different measures, taken before/after.
这是个心理学实验，在实验前后进行各种测量。
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If you don't know how to measure anything, you are doing algebra and trigonometry.
如果你不知道如何进行测量,你就是在研究代数或者三角函数了
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If you measured it for most cells it's about between -60 and -90 millivolts.
如果你测量一下的话,大部分细胞都在-60到-90毫伏之间
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Could be done, but easier is to just do the whole thing at constant volume, right, and just run the reaction that way and redo the calculation to be a constant volume rather than constant pressure calorimeter, right.
可以进行测量,但是如果在体积恒定的条件下,做这些会容易得多,还是这样进行反应,但是在等体而不是恒压条件下重新计算。
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This is real, unlike the Joule coefficient which is very small so that most gases have tiny Joule coefficients. So if you do a Joule experiment, you hardly measure a temperature change. With real gases, here you do actually measure it. You can feel it with your finger on your bicycle tire.
系数那样小以至于,大多数气体的焦耳系数,都很小，所以如果你做焦耳实验,很难测量出温度的变化,对于真实气体，你可以测量它，你能通过手指按在,自行车轮胎上来感觉到它。
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What can you measure in this equation?
在这个方程里你能测量哪些量
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Joule actually did this experiment, and he observed that for the gas expansions that he could do, that the temperature did not increase measurably.
事实上焦耳的确做了这个实验，他做到了,他能达到的最好实验要求，发现在可测量范围内没有观察到温度上升。
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Now, in practice, it depends on how good your measurement is.
在实践中，它取决于你的测量方法有多高明。
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It's tabulated in books, and this we can measure p in the experiment. Delta p here is the change in pressure from the left side to the right side, and we can put a thermometer, measure the temperature before the experiment and measure the temperature after the experiment.
这列在书上，这个量我们在,实验中也可以测量，在这里Δ,是从左边到右边的压强变化，我们可以放一个温度计，去测量实验前的温度,再去测量试验后的温度。
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Studies have been done in the city of New York where you can-- if you live in Manhattan you can actually get a very nice metric of how far apart people live from each other in city blocks. Right?
纽约市就做过这类实验,在纽约-,如果你生活在曼哈顿,你能准确地测量,生活不同街道的人相互距离多远？
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Then also a problem is you can't weigh things when you're eating out, so even if you were being incredibly precise about stuff at home and you were actually weighing things, you couldn't do that very well when you're eating out.
问题是,当你在外吃饭时无法称量食物,所以即使你在家中非常精确地测量食物,并且实际测量了每样物品,但在外吃饭时你可没法这样干
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We don't have to specify that it's measured at constant u.
我们不用特别指明,它是在恒定u下测量的。
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What you should imagine doing is making these three measurements more and more quickly.
你应该想到的做法,是在尽量短的时间内完成这三次测量
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What's your plan for measuring acceleration if some little thing is moving?
如果某个小物体在运动,你要如何测量加速度
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So what we do is we pick an origin, call it zero, we put some markers there to measure distance, and we say this guy is sitting at 1,2,3,4,5.
我们现在选择一个原点,称其为零点,我们做一些标记来测量距离,这个点在五个单位长度的地方
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It turns out the electrical potential or electricity that you can measure on the surface of the body reflects things that are happening deeper inside like the beating of your heart.
人们已经证明在体表测量得到的电势能,或者电信号,能够表征,像心跳这样,身体较深处的变化
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