So one very simple study by Spelke and Baillargeon: Have babies shown a block with a bar going back and forth like that.
斯皮克和巴亚热昂做了一个简单的研究,向婴儿呈现一个木块,木块中间有一个能够来回移动的木杆,就像这个样子
There's nothing like seeing the whole action flowing back and forth.
这远比不上亲眼看到整个来回的流畅动作。
It's much more interesting if you can actually build things that are interactive, that are animated, that play music and so forth and not just produce things on day 1 that outputs zeroes and ones like this.
如果你构建的东西是互动的,像动画,音乐播放等等,而不是编些像第一天那样,只是输出0和1的程序。
Any questions about going through these cycles and using expressions like this and so forth? Expressions like this you know turn up in various places, like in the equations sheet that appears at the end of exams, right?
关于推导这些循环和使用,这样的表达式之类的,有没有什么问题?,这样的表达式在各种地方都会出现,比如试卷后面的公式页?
And so this rumor was part of the fear of "upitty women" putting forth demands, and they squished them like grapes, and they hauled them off and shot them.
这一传言部分的体现了,对"不知天高地厚的女人们"的恐惧,正是它导致了对她们的审判,他们像榨葡萄一样挤烂她们,强行拘捕她们然后枪决
No, no, no, this is a back and forth, like Duke Ellington Conducted And students must just soak that up Students here at Princeton have been so kind to me.
而是来回的,就像Duke,Ellington在指挥,你的学生一定是沉浸其中,普林斯顿的学生对我很好。
I don't want to spend the whole weekend implementing just a little pop up calendar and frankly it probably would take at least that long to get something that's as interactive and dynamic as something like this that works across all browsers and so forth.
我并不想花费整个周末的时间来实现,这样一个小的弹出式日历,而且,可能至少还要花那么多时间,从而使它,能够在所有浏览器上都能有良好的交互性并且是,动态的,等等。
Good question, so there is this little reading head kind of like in an old phonograph player that does move back and forth and in and out depending on the implementation.
好问题,这就像,老留声机里的小读头,它通过来回移动,来完成不同的操作。
So this isn't the most useful form that we can have, but what we'll see shortly is that from this, we can then derive further criteria for essentially any set of variables or any set of external constraints, like constant temperature or pressure or volume and so forth that we might set.
所以这不是我们所能得到的最有用的形式,但是我们会很快看到,我们能够进一步推导出包含任意变量,或者任意约束的自发过程判断标准,比如说恒定的温度,压强,体积或者其他我们能够给出的约束。
vigenere Well, this is, again, this is kind of like caesar stuff or vigenere where you just copied characters back and forth.
这是有几分像caesar或者,你只要前前后后进行,字符串拷贝。
And so when you start to poke around the puzzle pieces, you see that it can say things, we'll see movement in just a moment and sound and so forth, but at the end of the day, this is just like the program we used a moment ago for the sock exercise where we just hold Philip a step after step after step, do this, do this, do that, and yet, here too, we already see an opportunity for that thing we called the loop.
如果你认真看下这些拼图,你会发现它都是一些移动,并发出声音的功能块,就像我刚才的,练习程序一样,我们让飞利浦做这个动作,做那个动作,跟这里的情况一样,我们已经看到了称为循环的东西。
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