The agreement,once it takes effect, will be the first under international law to target just this problem.
VOA: special.2009.12.08
The first problem set will be posted shortly, and that means, you know, we want you just to get going on things. Don't worry, we're going to make them more interesting as you go along.
第一个问题的提出会很快让你们熟悉,意思是说,你们懂的,我们希望你们尽管去放手干,别担心,在你进行的同时我们会,让它们变得更有趣儿。
Well first off, tell me what the problem is.
首先,先告诉我是什么问题。
Near the end of the first orbit, Glenn reported a problem.
VOA: special.2009.06.17
If I want to move into a directory and you'll see-- all of these will be walked through in the first problem set.
如果进入一个目录,你们会发现-,所有步骤都在,第一个习题集中提到过。
Bosworth said the problem will take time to solve. "This is not the first we have heard of HEU,".
VOA: standard.2009.09.06
Then you have a problem set, which is due on that day, your first problem set, and the problem set is up on the website.
你们到时还要交习题册,这是你们的第一次回家练习,习题册已经上传到网上了。
He said his government will work hard to end piracy, but he said the problem of poverty will first have to be tackled.
VOA: standard.2009.10.30
First problem set, problem set zero, has already been posted.
头一条问题的提出,提出问题为零。
"The Greek government has a huge problem. It needs first of all to regain credibility.
VOA: standard.2010.02.26
That's a nice answer to the problem of fission, but notice the problem it raises for the argument for believing in a soul in the first place.
这对于裂变问题是个更好的答案,但请注意这个答案又引起了新的问题,这就是一开始相信灵魂的存在时的说法。
So we learned the very first time that in the Prisoner's Dilemma communication per se won't help, but in the coordination problem, which could be just as serious socially as a Prisoner's Dilemma, in a coordination problem it may well help.
在第一讲里我们就学到了,在囚徒困境中沟通不起作用,但是在和囚徒困境具有,同样重要社会意义的协和谬误中,交流却能够起到作用
A typical problem that you may have done in your first pass at Newton's law, someone tells you a force of 36 Newtons is acting on a mass of whatever, 4 kilograms; what's the acceleration?
在你们第一次接触牛顿定律时,可能见过这么一道典型题目,告诉你,一个 36 牛的力,作用在一个物体上,4 千克吧,问加速度是多少
These are the basic theoretical structures that you incidentally need for the problem set, ... the first problem set. The first problem set-- I guess you've--you can turn in your first problem set here before you leave because it was due today.
这些是基础的理论框架,你会在做习题的时候用到它们,第一道练习。。。第一次练习是-,第一次练习作业的截止日期是今天,所以你们在今天在离开前把作业交上来。
Last year for the pieces that do vary year to year a bit, last year's first problem set challenged students to write their first or maybe second or third program using this environment called Scratch.
去年的教材有些地方有略微改动,去年的第一个问题集是让学生,在Scratch环境下,写下自己的第一或第二个或第三个程序。
And we hope that at the end of the class, every time you're confronted with some technical problem, one of your first instincts is going to be, "How do I write the piece of code that's going to help me solve that?"
并且我们希望到了期末,每当你要面对一些,技术问题的时候,你们的本能之一将会是:,“我怎么才能编写一个代码,来帮我解决这问题?“
I'm thinking about a problem, I'm going to show you an example in a second, first thing I'm going to do is say, what is the thing that's going to change every time I run through the same set of code?
我要解决一个问题,我马上会让大家看一个例子,第一件我要做的事情就是,弄明白每次运行同样的指令集时,每次都会改变的东西是什么?
If I want to try and decide how to tackle a problem in an iterative matter, here the steps I'm going to go through. First thing I'm going to do, is I'm going to choose a variable that's going to count.
但是这就是我对它的观点,如果我试着去以迭代的方式,解决一个问题的话,下面是我应该采取的步骤,第一件要做的事情。
The first problem set asked you to manipulate the model that I just presented-- the model of how you form portfolios and the model of the capital asset pricing model.
第一道习题,考察的是你们能否活用我刚刚给出的几个模型-,包括怎样构成投资组合的模型,和资本资产定价模型。
I wanted to say one more thing because I realize that you have to-- your first problem set will cover this-- is to talk about the concept that applies probability theory to Economics.
我还想提一点,因为我意识到...,你们的练习题中会涉及到这个,概率论在经济学中的,应用的问题
It first calls it on that problem.
然后这边的这段代码的意思就是。
Those nine hours are going to be primarily working on problem sets, and all the problems sets are going to involve programming in Python, which is the language we're going to be using this term Now, one of the things you're going to see is the first problem sets are pretty easy.
这九个小时会是问题,提出的基本锻炼,所有的问题提出,都将涵盖,我们这学期,将使用的Python语言的程序,现在,你们将要看见的,第一个问题的提出非常简单。
I first had a list of size 8, then 4, then 2, but then I had another problem of size 2.
首先是一个有8个元素的序列,接着变成了4个元素,接着2个元素,然后我就碰到了有2个元素的另一个问题。
The in class mid-terms--the grades will be roughly 10% problem sets, 20% first mid-term, 30% second mid-term, 40% final.
期中那次是随堂考,在最后成绩中,习题成绩占10%,第一次期中占20%,第二次期中占30%,期末考试占40%
And the first thing you do is ask is it an instance of some problem that other people have already solved?
而且你以前从没碰过这个问题,你首先要做的一件事就是问问自己,这是不是一个别人已经解决了的问题?
And I'm going to show you an example in a 1 second, just to drive this home, but notice the characteristics. In the first two cases, the problem reduced by 1 at each step.
在前面两个例子里,每一部问题的规模缩小了,不管是迭代的还是递归的,这表明这个问题的复杂性可能是线性的。
I know this is a simple example, but when you mature as a programmer, one of the first things you should do when you sit down to tackle some problem is write something like this pseudo code.
我知道这是个很简单的例子,但是当你们成长为一名程序员后,当你们碰到问题后第一件事情就是,该写一些类似于,伪代码的东西。
So if I were to solve this problem, here's the way I would do it. I would say, first thing I want to do, is I want to input a value for the base as a float.
如果我想要解决这个问题,这就是我要解决它的方式了,第一件我要做的事情就是要,输入一个浮点数作为三角形的底。
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