-
"It's a big deal. How big a deal you have to measure piece by piece but clearly it is the first major change in our health care system since nineteen sixty-five so that's a long time coming."
VOA: special.2010.03.27
-
We haven't said much about how to measure it, but you can measure it.
我们并没有说太多关于怎么测它，但是你能测它。
-
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
-
Democrats in the House of Representatives announced they had reached a compromise on just how to pay for the costly reform measure.
VOA: standard.2009.07.29
-
We'll come back to this in our example in the cardiovascular system when we're talking about the heart and we'll talk about how to measure the collective group of action potentials using EKG's.
这个我们回头再谈,等到我们在心血管系统的例子中,说到心脏时再说,我们会谈到如何通过,心电图测量群体动作电位
-
In their study, the researchers tested blood for cotinine,a chemical which is produced when nicotine is metabolized, so they got an objective measure of how much smoke the teenagers were exposed to.
VOA: standard.2010.03.04
-
We can measure the heat capacity at constant volume, and now we have another term, and if we can figure out how to measure it, we'll have a complete form for this differential du which will enable us to calculate du for any process.
我们能够测量恒定体积下的热容，这里我们有另一项，如果能够知道怎么测量它，问我们就有了这个完整的微分式,就能够对任何过程计算。
-
Also, we need to know how much individual stocks are correlated with rm; we measure that by the regression coefficient.
我们必须清楚,有多少个股与市场总体收益率相关;,我们用回归系数，即β系数来表示。
-
It's a measure of how much Americans are saving compared to the attractiveness America as a place to invest.
它能够衡量美国储蓄率的高低,以及外国在本国的投资情况。
-
And we develop methods to measure the visually responsive parts of cortex and how the world is mapped onto the brain.
我们开发出一些方法，来测量大脑皮层的视觉反应部分,以及外界的事物如何绘制与大脑当中。
-
So you can think about how these 2 things combined are going to be electronegativity, which is a measure of how much an atom wants to pull electron density away from another atom.
因此你可以想象出,这两样性质合起来就是电负性，也就是一个度量，关于一个原子,有多希望把另一个原子的电子密度拉过来的。
-
And then we're going to turn to the question of efficiency. How do we measure efficiency of algorithms? Which is going to be a really important thing that we want to deal with, and we'll start it today, it's undoubtedly going to take us a couple more lectures to finish it off.
然后我们会回头继续讨论效率问题,我们如何计算算法的效率？,我们处理这些问题的时候,最重要的事情是什么？,我们今天要去讨论这个问题，毫无疑问我们要用,挺多节课来学习这个。
-
First, to measure what a whole population eats, how in the world could you know that?
首先,去测量人群总体吃什么,到底该如何做
-
OK, now what I want to do is just describe a little bit of how do you measure all this stuff, right?
好，现在我要做的就是,介绍一下怎样来测量这些东西？
-
Why should the amount by which you're attracted to the Earth be also a measure of how much you hate acceleration?
为什么物体受地球引力的大小,恰好能衡量物体加速的难易程度呢
-
The 20% given to the homework is not a real measure of how important it is.
作业的权重虽然只有20%,但这个数字是无法真正衡量其重要性的
-
It also is a good lesson in how difficult it is, and we'll talk about this in a subsequent class, to actually measure what people eat.
同样这能很好的说明,实际评价人们的饮食有多困难,我们下节课会讨论这个话题
-
Now if you've gone to the doctor, often they'll measure your triaglyceride level as a measure of how healthy your liver is and how healthy your diet is.
现在如果你去看医生,他们通常会测你的甘油三酯水平,以此作为你的肝健康和饮食健康的指标
-
Central tendency is a measure of the center of a probability distribution of the-- Central tendency is a measure-- Variance is a measure of how much things change from one observation to another.
集中趋势用以描述,一组概率分布的中心,集中趋势...,而方差衡量的是,各个观察值之间的变化
-
We don't know how to measure that either; do you agree?
我们不知道如何去测量它,是吧
-
So it's a measure of how well we can do to run the refrigerator.
这是衡量,我们运行制冷机的一个量。
-
Other is gravitational mass, which is the measure of how much you're attracted to the Earth.
另一个是引力质量,它可以用来衡量地球对物体引力的大小
-
There's an appendix to one of the chapters in Jeremy Siegel's book where he says that one of the most important applications of this theory is to measure how successful an investor is.
刚才讲的是,杰里米·西格尔书上的附录,他认为这个理论最重要的应用,就是衡量一个投资者的收益
-
But it's a very interesting topic, so today we're going to talk about how do you measure what people eat, and you're having some experience that yourself with the daily plate dietary assessment.
这个话题实在有趣,所以今天我们要讲如何评估人们吃的东西,你们就能学到一些知识,来做自己的日常的饮食分析
-
OK. So to do this, we need a little more abstract way of talking about efficiency, and so, the question is, how do we think about efficiency? Typically there's two things we want to measure.
好，为了达到这个目的,我们需要用一种有点，抽象的方式去讨论效率，这衍生出来,一个问题，我们该怎么去认识效率？,主要来说我们有两个要量化的东西。
-
What we're really going to do in practice is we're going to measure, we're going to use our thermometer and say great, how much did the temperature change, right.
H1是零,实际上我们要做的,是用我们的温度计,测量温度改变了多少。
-
We'll come back to this, but beta of the stock is a measure of how much it moves with the market and the alpha of a stock is how much it outperforms the market.
回到原先的话题,beta用以衡量,本公司跟随市场变化的程度,alpha衡量超过市场的表现
-
And that's just a way of reminding you that we want to think carefully, but what are the things we're trying to measure when we talk about complexity here? It's both the size of the thing and how often are we going to use it? And there are some trade offs, but I still haven't said how I'm going to get an n log n sorting algorithm, and that's what I want to do today.
这只是在提醒你们我们要仔细的思考问题,但是当我们在讨论复杂性的时候,我们到底要衡量哪些东西？,是列表的大小和对其进行查找的频率吗？,这里面临一些取舍,但是我还没有说明,怎样得到一个n，log，n复杂度的排序算法,并且这是我今天想要讲的内容。
-
So it's just a measure of how much does one given atom want to pull away electron density from, let's say, an adjacent atom.
因此，它就是度量一个给定原子有多么,想把电子密度拉过来，可以说，从相邻的一个原子那里。
-
But I would like to give you some of the rudiments about nutrition, especially about how we measure nutrition and then what it means for health, and we'll talk more about that in the next class.
但我很乐意教给你们一些营养学基础知识,尤其是如何评估营养,及其对健康的意义之所在,下一堂课我们会更加深入地探讨
应用推荐