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?
I've been taking the train for the past, say, give and(or) take six years and I've always loved it.
我以前一直坐火车,大约6年里都乘坐它,我一直很喜欢它。
As every time we introduce a new programming concept, we'll relate it back, as we have been doing consistently, to defensive programming.
我们每次介绍一个,新的编程概念的时候,就会和以前讲的联系起来,就和我们介绍防卫性程序设计一样。
I had not really had a conversation with a person who was out as lesbian or gay before I was in college.
在上大学以前,我从未真正地和一个,出柜的同性恋谈过话。
As I've suggested before, his more conservative contemporaries were appalled by the proliferation of religious sects in mid-seventeenth-century England.
这如我以前所说,他的保守的同辈人,因17世纪中期英格兰迅速增多,的宗教派系而惊恐。
And we can calculate that with the formula that we used, which was just n minus l minus 1 equals the number of nodes.
这个我们可以用我们以前用过的那个公式来计算,也就是节点数等于n减去l减去1
You move out to someplace that nobody bothered to farm before, because it wasn't profitable enough, because you need more land.
你搬到一块以前没人耕作过的土地上,因为它并不是那么有利可图,但是你需要更多的土地
And, of course, there's this-- another acoustical phenomenon here we've talked about before, what's the relationship within an octave?
当然,就是这个,我们以前谈论过的,另一种声学现象,八度的内部联系是什么呢
In contrast today, because we have antibiotics and we have vaccines, people don't die of infectious diseases as often.
相反,在现在,因为我们有了抗生素和疫苗,死于感染性疾病的人就不像以前那么多
It isn't the Red Sea. That's a mistranslation that occurred very very early on, so it's led to the notion that they were at the Gulf of Aqaba or somewhere near the actual big ocean water.
并不是红海,这个错误的翻译很早以前就存在了,让人们以为是在亚喀巴湾,或者是接近真正意义的大洋的什么地方。
A few months ago, some former students of mine -former colleagues of mine -gave this very nice party at the Yale Club.
数月前,我以前的一些学生,还有以前的同事,在耶鲁俱乐部举办了一次精彩的派对
This second chimpanzee is not a relative of the first chimpanzee and they've never seen each other before.
这只黑猩猩跟第一只黑猩猩,没有血缘关系,它们以前也从来没见过面。
So it's not just a question of the past, as I say and as I've said before.
正如我以前说过的,它不只是过去的问题。
By the way, how many of you are Poly Sci majors who have seen this model before?
顺便问下,你们这些政治学专业的学生中,有谁以前听过这个模型吗
And the first crack was a movie that's so long that it used to be the janitors, the people who cleaned these-- the very nice people who cleaned these rooms used to call it a two six-pack movie because it was so long.
第一个漏洞是一部特别长的电影,以前那个楼管,打扫卫生的,给这些教师打扫卫生的优秀工作者,以前管它叫一打啤酒电影因为太长了
So it's true. Before, it was like a butcher place where they cut the cows and pigs and everything.
是这样的。以前它像个杀牛、猪等动物的屠宰场。
They have a very high respect for a criminal Jew, who led some kind of guerilla war and was executed long ago, somewhere in Syria.
他们非常尊敬一名犹太罪犯,他指挥了某种游击战,很久以前被处死了,就在叙利亚某处。
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。
We don't pay attention to them when they are going beyond three, but now we know we need that.
我们以前并没关注他们,对三维以上空间的研究,但是现在我们知道也需要关注那些东西
And by the time I'm a million and a half, I no longer remember what was happening in oh, back, back.
等我活到150万年,我不记得,很久以前做过什么。
For instance in the past, we had that silly little program for computing the average of some quizzes and it was actually a pretty bad implementation because I had essentially hard coded in the number of quizzes.
比如在以前,我们做了一个,计算平均数的程序,这是一个相当挫的实现,因为我硬编码了测试的数字。
He wore an old double-breasted suit, frayed gray shirt, wide tie, no hat "I left her so long ago I don't remember.
他穿着一件双排扣的旧大衣,一件散口的灰衬衫,和一条宽领带,没有戴帽子,“我很早以前就离开了她。
We've known since antiquity that you could take gold, and you can hammer to very, very thin foil.
我们已经知道很久以前,人们就能用锤子把金敲成非常非常薄的箔片。
OK, now that I've got that, we could think about what would I want to do with these points?
我也可以像以前那样,对它们进行赋值操作,好,现在我们已经有这些对象了?
And I was on a bunch of different... and also different communities... But one of them was really my athletics.
恩,我以前参加过好多不同的。,社团活动。,但是体育方面的特长始终是核心。
Up on the screen, I've got-- I commented it out, but I've got a piece of code that you've seen before, right up here. OK?
我现在在大屏幕上标出来的,是你们以前看过的一段代码,就在这儿?
We're exposed to things that might cause cancer where weren't exposed to them before and so that might be a reason.
我们暴露于可能致癌的物质中,这些物质在以前是没有的,这可能就是原因之一
I mean, you may not understand it with algebra before but some of these sorts of pictures have you seen before?
我是说可能代数部分你没看懂,但你们以前见过类似的图像吧
Well, this allows us to try to go back and explain some phenomena that over the years, mounting evidence was building that couldn't be explained.
好了,这个可以使得我们,返回去然后去解释一些,以前逐年积累的未能解释的现象,我们下节课将讨论。
应用推荐