(OMITTED) "If you want to buy from a country, you can click on that country and you can drill down to the district you want to buy from and different information will pop up of what the legal requirements of that country , the risk from purchasing there, the species you're purchasing, what are the ramifications of buying that and then you can make an informed decision."
VOA: standard.2010.05.28
You can start from one nucleus and go to the next nucleus, and there are no zero planes, no nodes, nothing.
你可以从一个核出发,看向另一个核,中间没有零平面,没有节点,什么也没有。
Because there are so much that you can learn from the language that doesn't involve textbook reading.
因为你可以从口语中学到很多课本阅读没有的东西。
This is very difficult because there are no high ladders and pressures from day-to-day work you get very much in the way of learning.
这很困难,因为学习不能一步登天,而巨大的工作压力,还存在于学习的每一天。
You know from the m quantum number there are three.
你可以从角量子数上看出是3个。
So you don't want to put in a negative energy, that's not going to help you out, you need to put in positive energy to get an electron out of the system. So that's why you'll find binding energies are always negative, and ionization energies are always going to be positive, or you could look at the equation and see it from there as well.
因为这对电离没有帮助,你需要一个正的能量,使得电子脱离这个系统,这就是为什么你会发现,结合能总是负的而电离能总是正的,或者你们看这个方程也可以发现这一点。
There are also audio recordings of the poets that we will be reading that come from Sterling and you can get to on the Center for Language Study website.
还会有一些关于诗人们的录音文件,在史德林图书馆里有,我们会在课上读到,这些文件你们可以在语言学习中心的网页上找到。
That is before there is any written evidence from the period in which you are interested.
那是一个你所感兴趣,而无任何书面记录的时代
There are sensory neurons, which take information from the world so as you see me, for instance, there are neurons firing from your retina sending signals to your brain.
感觉神经元,负责收集外界信息,比如,当你看到我的时候,视网膜上的神经元会产生神经冲动,将刺激信号传递到你的大脑
It's like we have laws of thermodynamics that underlie the use of engines, but you can't just go from the laws of thermodynamics to an automobile; there are a million steps along the way.
这就好比热力学定律,为引擎的使用打下了理论基础,但你不能从热力学定律一步跨越到发明汽车,这中间还要经历成千上万的步骤
Just a few reminders, if any of you are here for the first time, and I know there are a few, if you go to this particular website, and you can get to this from the classes server as well, you'll see the course website that we've developed and it has a lot more information than if you just go to the classes server and click on the syllabus.
提醒一句,如果有同学是第一次来听课,我看到了有些新面孔,你们可以登录这个网站,从课程服务器也能找到,你们会发现我们更新了课程网站,其中含有大量的信息,若你只访问课程服务器,点击教程大纲
Are there any regular meetings where you get to meet alumni from the school?
你们是不是会定期举行会议安排你们和校友见面?
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