"I think the most important thing now is the follow-up. The follow-up here is that we want to insure the non-reoccurrence of such massacres against the Palestinian people,".
VOA: standard.2009.10.16
So the last thing I want to mention today is how we can think about electron configurations for ions.
今天我想提到的最后一件事,就是我们怎样考虑离子的,电子构型。
Third thing we want you to do, is to understand the fundamental both capabilities and limitations of computations, and the costs associated with them.
我们希望你们做的第三件事儿,就是了解,计算的基本能力,和局限以及他们的代价。
"I do not think a prolonged period of uncertainty is a good thing, that is why I want to arrive at a decision, we want to arrive at decision, as soon as possible."
VOA: standard.2010.05.10
Perhaps we want to write like Shakespeare, maybe we want to be a writer like the great Old Testament prophet Isaiah. But the last thing we should be burdened with, Milton's suggesting here, is the fear of being late.
也许我们想向莎士比亚一样,也许想成为,伟大的旧约先知以赛亚,但弥尔顿说我们最不应该被,担心迟到所困。
"I want some courage. I want us to do the right thing, Ohio,and with your help we are going to make it happen!" Democrats need every vote to pass Mr.Obama's top domestic priority, and the president did win over one liberal holdout.
VOA: standard.2010.03.18
The next thing that we want to do is figure out do we have any bonding electrons left.
下一步要做的是看看我们,还有没有剩下的成键电子。
I think we pretty much explained there's another thing i want to say about Treasury bills.
我认为已经解释清楚了,下一个关于短期国库券的要点
Whoa! That's the last thing we want to hear. They're not masters.
哇!,这是我们最不愿意听到的,他们不是大师。
All right, what we gonna do, we want to take a derivative of this thing.
接下来我们要求导了
Now, I want to say one other quick thing before we get to the substance.
现在,我想简单提一点别的东西,然后我们再继续讲这个问题
If we want to know the total heat added to the system, we can measure it, which is the straightforward thing, but sometimes you want to calculate in advance, or sometimes you want to calculate it on an exam.
如果想知道给系统的总热量,我们可以测量,这是很直接的事情,但有时候我们想事先计算它,或者需要在考试中计算。
Now let's go on to another thing that we'll want to be doing here and that I guess is taking a little bit of rhythmic dictation, writing down some simple rhythms.
现在咱们来做另一件事,我觉得咱们得做点节奏的听写,写下一些简单的节奏
Controversial in the sense that maybe it's not a good thing to do, or there might be some limits on what we want to do there in terms of integrating machines with people's brains.
它的争议性在于这可能并不是一件好事,在我们想往人脑中植入机械时,会不会受到某种限制
Second thing we want to talk about very briefly as we go along is the semantics of the language.
我们要说的第二点,是语言的语义。
Second thing we've been doing, I want to highlight for you is, we've along the way, mostly just verbally rather than writing it down, but we've been talking about good style.
我们一直在学的第二件事情是,我想给大家强调下,我们一直在口头上说,而没有把它写下来,但是我们一直在说优秀的风格。
And the second thing that we talked about is this idea that we want you to in fact learn how to relate a choice you make about a piece of code to what the efficiency is going to be.
关于这个方法第二件事,就是我们实际上希望,你在写代码的时候,能做出优化效率的选择,因为此。
What we really want to worry about is, as the size of the problem gets larger, how does this thing grow? How does the cost go up?
随着问题规模的变大,解决问题花费的代价是怎么增长的,因此我们将会主要地讲讲?
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。
I think the last thing I want to say is, we will not be handing out class notes.
我认为我想说的最后一点事,我们不会发课件。
Because I'm cutting down the problem in half at each time. You're right, but there's something we have to do to add to that, and that's the last thing I want to pick up on.
但是我们还需要强调一点,这是我最后想讲的一点,让我们来看看代码-实际上,让我们先来测试测试吧。
So one of the things I want you to notice here is that testing and debugging are not the same thing. When we test, we compare an input output pair to a specification.
这里我想大家注意的一件事,就是测试和调试是不同的两件事情,我们测试的时候,我们把输入输出,跟程序的规格说明书对比下。
OK. The other thing I want to say here, is that this style of program we just wrote is actually a very common one. And we're going to give it a nice little name, often referred to as exhaustive enumeration.
好,另外一件我想说的事情是,刚才我们写的代码的风格,是非常普通的,我们会给这个风格一个名字,通常是被称为详尽的列举。
- So the first thing that we want to do, if we're thinking about something like this, is just to determine exactly what orbitals are causing the five different lines that we're seeing in the spectrum.
我们要做的最要紧的事,如果我们在思考这种问题的话,其实只不过是,准确地确定哪些轨道会导致,这五条分立谱线在光谱中出现。
The other thing that we looked at, which I want to stress again and I'll stress it as many times as I can fit it into lecture, because this is something that confuses students when they're trying to identify, for example, different nodes or areas of no probability.
另外一个我们要考虑的事情,我想再强调一次,而且我以后会在课上强调很多次,因为它很容易让人混淆,这就是当你们在确认,节点或者零概率点时候。
We want to do the same thing, but with our data types.
我们想要创建数据类型和函数,或者我们会叫他们方法。
So, using the terminology of chemists, which is a good thing to do, because in this course we are all chemists, we want to make sure that we're not using just the physical description of the numbers, but that we can correlate it to 1 0 0 what we understand as orbitals, and instead of 1, 0, 0, 1s we call this the 1 s orbital.
我们最好学会,利用这些化学术语,因为我们这课,就是关于化学的,我们,不仅要知道,这些数字,的物理描述,还要能把它,和我们知道的轨道联系起来,我们叫它。
OK. In order to talk about Python and languages, I want to do one last thing to set the stage for what we're going to do here, and that's to talk about the different dimensions of a language.
好,为了谈论Python语言以及其他,我想做,最后一点儿准备,那就是讨论一种语言的,不同维度。
And that shows you one other nice little thing we want to do, which is if I look in this code notice I set up a variable up here called false Solution Found, initially bound to false.
这显示了我们想要做的另一件事,那就是我在这段代码中设置了一个,名为Solution,Found的变量,初始值设为。
And when we make these comparisons, one thing I want to point out is that we need to keep the constant principle quantum number constant, so we're talking about a certain state, so we could talk about the n equals 2 state, or the n equals 3 state.
当我们做这些比较时,我想指出的一件事是,我们需要保持常量原则,保持量子数是常数,所以我们在讨论一个确定的态时,我们可以谈论n等于2的态,或者n等于3的态。
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