Dr.Dorry Segev was one of the surgeons. He outlined the problem in an interview with VOA.
VOA: standard.2010.03.11
I feel I have one problem with the sort of idea of the myth of the past.
我觉得我有个问题,关于过去之谜的问题。
Piaget was really big into question and answer, but one problem with this is that children aren't very good with language, and this might lead you to underestimate how much they know.
皮亚杰非常热衷用问与答的方法进行研究,但这里存在的一个问题便是,儿童并未能完全掌握语言,这可能会导致你低估他们的理解能力
So let's actually let you try another example of solving a problem that has to do with one of the spectrums.
下面请大家来看一下另一个例子,这次是一个需要大家解决的关于光谱的问题。
It's safe to say that Lycidas is one of the last poetic works of Milton's that's really consumed with his problem, the problem of fruitless anticipation.
谨慎的说,是弥尔顿最后的,切实地与他自身的问题有关的诗篇之一,他自身关于毫无成果的期望的问题。
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?“
Here, the problem is solved by injecting it directly into the cell, shown here, and then that's one issue with gene delivery.
现在,这个问题已经通过,将其直接注入细胞的方法解决了,图上这里,这只解决了基因输送的一个问题
.. The problem with Sadow's suitcase-- I actually had one and you might have one in your attic.
沙度发明的行李箱问题出现在-,实际上我也有一个,你们的阁楼里可能也会放着一个。
When you go today and look at the homework, you'll find the problem from the textbook, one extra problem that deals with all of this.
你们今天回去看到作业,就会看到课本上的一道题目,这道附加题涵盖了所有知识点
And you'll do exactly that with some handholding in Problem Sets One.
你们将正确地那样去做,采用,习题集1中的方法。
OK. You can see that thing is cutting down the problem in half each time, which is good, but there's one more thing I need to deal with.
这很棒,但是我们还需要处理另外一件事情,让我们仔细来看看,我在开始做之前一直在说,应该先试验试验。
Well, realize one of the themes in this course and really one of the themes in programming and solving any problem with a machine is going to be really to just take small bites one at a time out of these problems until the end result ultimately is that you've actually bitten off a fairly large fairly interesting problem and in the aggregate, you've actually implemented something pretty sophisticated.
好吧,让我们先想一下这件事带给我们的主题,编程和解决问题的思想,一台机器最开始只会一步一个脚印,沿着要解决的问题向前迈进,直到最终的结果出来,最后你会发现,你已经解决了一个相当大,相当有趣的问题,而这个问题在最初看起来确是相当复杂的。
So, just, if you can take what I'm saying for a moment right now that in fact this should collapse in this very small time frame, we have to see that there's a problem with one of these two things, either the Coulomb force law or Newtonian mechanics. So, what do you guys think is probably the issue here?
所以如果你们考虑我,开始说的这个塌缩应该,发生在很短的时间里,那么这两者之一就有问题,要么是库伦定律,要么是牛顿力学,你们觉得应该是哪个的问题?
Now, the problem, or one of the challenges with clinical trials of vaccines is that you have to enroll a lot of patients into clinical trials because only a few are going to get sick in any case, only 20 out of 100,000.
现在的问题是,这也是疫苗临床试验的挑战之一,临床试验必须包括足够多的病人,毕竟只有一小部分人会被传染,十万人里面只有二十人被传染
In problem set 5, last year I took a stroll around campus with one of the teaching fellows with his digital camera, we shot photographs of identifiable but non-obvious spots on campus and then like an idiot I always seem to erase my compact flashcard accidentally.
在习题集5中,去年我和另一位老师一起带着数码相机在校园里闲逛,我们在校园里没有目的地乱拍,像一个傻瓜一样,我一不小心清空了,我的便携闪存卡。
Course assistants as we use the jargon are alumni of CS50 who return to the course for a couple of hours a week having taken it in prior years, to help you, the newest batch of students, one on one with office hours, with problem sets; and similarly do the CS function as they might in many courses.
课程助理用我们的行话说就是CS50校友0,他们在前几年一直都是一周回来几个小时,来帮助你们这些新生,在上机的时候以一对一的方式,帮助你们完成这些问题集,在很多其他课程中他们也是这么做的。
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