Well, you know, it goes back to the beginning of the formation of the personal computer industry, which--that sounds like a long time ago.
嗯,你知道,这要追溯到,个人电脑产业的形成初期,听起来相当久远了。
If we build an engine for a car or anything else, it almost always is going to have some key element that's operating in a cycle, otherwise it won't keep going, right.
如果我们为一辆汽车,或其他什么东西制造一台引擎,它总要有一些关键,要素来形成循环。
But look at the lattice energy, the Madelung energy component is huge which tells you that when ions form they really want to continue to glom onto one another and form that giant crystal.
看看晶格能,马德龙能很大,这告诉我们,当形成离子是,它们如果要继续的话,需要从另外一方夺取电子,形成巨大的晶体。
They want to get as far away from each other possible, the ideal angle is 120. But what we have here is a four-membered ring, so what angle does 90° that have to be, that bond? 90 degrees.
它们想要尽量远离彼此,最理想的是形成120°键角,但现在是个四元环,所以这键角应该多大?
So what we are going to talk about today and next time is how beliefs shape reality.
今天和下节课我们要谈的是,信念如何形成现实。
For Aristotle the point and purpose of political science is to mediate the causes of faction to help causes of faction that lead to revolution and civil war.
对亚里士多德而言,政治科学的论点与目的,是要调解形成派系的起因,避免派系形成,因那会导致革新与内战。
You don't need much to make you into a group.
要形成群体真的很简单。
We ultimately wanna be able to express letters Gmail and actually implement text on the screen.
最终我们想要表达字母,一样,things,like,Gmail,在屏幕上形成文本。
That's because you have to satisfy this base pair matching in order to have hydrogen bonding in each of the struts of the ladder in order to form a stable structure.
NA双链要满足互补配对原则,以使碱基对之间,形成氢键,从而形成稳定的双链结构
What we're going to do in forming a molecule is just bring these two orbitals close together such that now we have their nucleus, the two nuclei, at a distance apart that's equal to the bond length.
我们在形成一个分子时要做的就是,把这两个轨道放到一起,这样我们有他们的原子核,两个原子核,它们之间的距离为键长。
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