-
"We are telling parents, 'Hey this is what was available on the Internet,this is what your kids are able to do and some basic tips on if you want to increase security this is how you can do it,"
VOA: standard.2009.12.20
-
How do you want to aim it so you can be most effective?
你怎样瞄准才能使攻击最有效
-
How long do you want to stay here?
要在这儿待多久？
-
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？
-
And what we want to do then, is we want to basically come up with, how do we characterize the growth-- God bless you-- of this problem in terms of this Quadra-- sorry, terms of this exponential growth.
现在我们想要做的就是,我们怎么来量化增长率呢？,在这个问题中也,就是框架-对不起是，输入指数的增长。
-
What is it--we're coming up to April ? How many sexual partners do you want in April?
那是几月？快到四月了,四月你想要几个性伴侣？
-
Okay. finally I want to give you some tips on how to do well in this course and what attitude you should have.
最后我想给你们一些建议,如何学好这门课,你应该抱着什么样的态度来学
-
It just needs to know how many bytes of memory do you want?
它需要知道你想分配多少字节的内存？
-
He points out that the knowledge of how to do this, of how to grow the kind of grapes you want, viticulture, and also arboriculture, both of these, are learned from Asia.
他还指出,要出色地运用这些的知识,关于如何栽培出你要的葡萄品种,如何培植葡萄和架设葡萄藤架,这两项技术都学自亚洲
-
This is once you've decided that you're going to be an active manager and try and pursue market beating strategies, how do you decide where it is that you want to spend your time and energy?
一旦你决定了要当主动管理型基金经理人,努力追求高于市场收益的策略,你会如何决定,在哪些方面投入时间和精力
-
How do you get there? You go to go here, here and these could be busy roads, and so parents don't want to do it because of safety reasons, so you see how--when the country used to be laid out in a grid, like say New York City still is today, then people walk to get to places.
那要怎么才能去呢,你得绕道这里,还有那里的繁忙路段,出于安全原因家长们不允许孩子们这么做,可以看到,规划为网格状道路的地区,比如依旧保留了传统规划的纽约,人们出行是靠步行
-
Depending on what kind of chemistry you go in to, you might accidentally memorize parts of the table, which is fine, but what you really want to know how to do is know how to use the periodic table.
取决于你今后从事哪个方向的化学研究，你可能会不经意地记住周期表的某一部分，这就够了，但是要注意,你真正需要知道的是如何使用元素周期表。
-
But what we-- what we do want to do, is to give you some intuition about how to approach questions of efficiency.
但是我们想要你们产生，对于处理效率问题的一些直觉,你应该会意识到为什么。
-
So I keep saying I've got one thing hanging, it's the last thing I want to do, but I wanted you see how much of a difference this makes.
但是我想让大家先，明白这有多大的不同,首先让我们仔细的来看看。
-
Now, this was research done by Norbert Schwarz and... here's the question I want you to ask yourself, " "How much do you like this person?"
这是诺伯特·施瓦兹所做的研究。,现在请大家问问自己，“你们有多么爱这个人“
-
Well let's see. My fall back is, I could just do linear search, walk down the list one at a time, just comparing those things. OK. So that's sort of my base. But what if I wanted, you know, how do I want to get to that sorted list? All right?
我只能做线性搜索了,一次遍历一遍列表，一个一个比较，但如果我想要,那怎样得到有序的列表呢？,现在的一个问题是，我们排序之前？
-
How high do you want to go?
你们希望有多高的维度呢
-
OK, so how can I code this up? Well, you might think, let's just jump in and write some code, I don't want to quite do that though, because I want to show you another tool that's valuable for thinking about how to structure the code, and that is a something called a flow chart. Now.
好，那么我怎么把这个以代码实现呢，你可能会想，让我们进去直接写代码把,但是我不想这么做，因为我想教给大家另外一项很有价值的,用来组织代码的工具，叫做流程图,现在，像Guttag教授,和我这么大岁数的人。
-
Some programs won't stop until you're old and gray. And these are really different efficiencies, and we want to give you a sense of how do you reason about those different kinds of programs.
头发花白之前是不会停的,这些是因为它们的效率不同,我们想要给你们理解,这些程序之所以,表现不同的原因。
-
Now, I want to do one concrete problem where you will see how to use these derivatives.
现在我要解决一个具体的问题,从中你会明白如何运用这些导数
-
If you have a computer that plays chess and you want to explain how the computer plays chess, it's impossible to do so without talking about the programs and mechanisms inside the computer.
如果你有一台能下国际象棋的计算机,你想要解释计算机是如何下国际象棋的，如果你不谈程序以及计算机的内部结构,那你就不能对它如何下国际象棋,给出解释。
应用推荐