/2 You can have it equal to plus 1/2, and that's what we call spin up, 1/2 or you can have it equal to minus 1/2, which is what we call spin down.
它可能会等于,我们叫它自选朝上,或者它等于负,我们叫它自旋朝下。
A low-level language, we used to call this assembly programming, you're down at the level of, your primitives are literally moving pieces of data from one location of memory to another, through a very simple operation.
一个低级的语言,我们曾经将其称为假设编程,你们只是处于用基本要素,把一些数据碎片,从记忆存储器的一个地方,通过简单的操作来转到另外一个地方。
And that the fact that it split into two was telling them that there must be some new property to the electron, and what we call that now is either being spin up or spin down.
它能一分为二的,事实告诉我们,电子一定有某种新的性质,我们叫它自旋向上或者自旋向下。
These units we call bars or measures and just to finish this off down here we would have three quarter notes of course, in this particular arrangement.
这些单元我们称之为小节,我们来把接下来的写完,这里我们有三个四分音符,当然,按照特定的安排
Then you guys know, you just told me, acceleration is -9.8, We call it "minus" because it's accelerating down and up was taken to be the positive direction.
然后你们都知道,你告诉我,加速度是-9.8,我们取负号是因为加速度方向朝下,而正方向为竖直向上
It is an example of what I call the imperialism of the straight line, where you have large boulevards that you can march armies down to, reviewing stands and all of that, totally different than Moscow.
我所称的帝国主义直线型风格的范本,有足以让军队列队通过的宽阔的林荫大道,还有阅兵台之类的设计,这些和莫斯科太不一样了
Odds are if you're an upperclassman, you've had that experience where it's 12 AM, 1 AM, 2 AM, and you're really starting to stress over the incompletion of some problems that for some course, well frankly what this mechanism allows you to do if you're already 90 percent of the way there, you can call it a night and you can put it down and you could feel good nonetheless about where you got to.
对于上游的同学可能觉得无趣,因为他已经具备了这些经验,这时应该开始关注某些课程中,问题的不完整的部分,如果你已经学会了,里面90%的知识,你可以停工,或者把这门课扔到一边。
I'm going to call it down here with search, which is simply going to call it, and then print an answer out.
然后返回答案,在二分法搜索中,其实有个挺美妙的名称。
What happened? I'm down here and try, I'm trying do get grades, which is a call to that function, which is not bound in my computer.
尝试着读取成绩,这被称为函数,是不被我的计算机局限的。
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