It is this parabola and is pointing up.
这就是那个抛物面，它是开口向上的。
That corresponds to normal vector pointing up.
那相当于法向量指向上。
"Look," said Rabbit, pointing UP into the tree.
“看，”兔子说，并用手往上指着树。
The normal vector pointing up, here we know what it means.
法向量指向上，这里我们知道它是什么意思。
The speeder skidded to a stop, its armored hull pointing up toward the swiftly descending shield.
飞艇滑行了一会儿就停下来了，机身的护盾正对着快速下降的护盾。
And, in fact, if you try to follow your normal vector that's pointing up, it's pointing up, up, up.
事实上，如果你随着你的法向量，一直朝上走。
And, if I look carefully at the orientation convention, Stokes I have to take the normal vector pointing up again.
如果我仔细考虑了方向的约定，定理告诉我们，Stokes, theorem, tells, me, that，法向量必须再次指向上。
It is this guy.If you continue to follow your normal vector, see, they are actually pointing up and into the paraboloid.
就是这它了，如果你继续跟着法向量看，会看到它们实际上，指向上并且指向抛物面里。
Well, to get our conventions straight, we should take the normal vector pointing up for compatibility with our choice.
为了配合约定习俗,选择相容的、指向上的法向量。
Let me show you a picture. The rule is if I walk along C with S to my left then the normal vector is pointing up for me.
给你们看张图片，“相容”就是,如果我沿着C走，而且S在左边，法向量就是朝上的。
And, if you pay attention to the orientation conventions, you'll see that you need to take it with normal vector pointing up.
如果你注意到了方向的约定，你会发现它的法向量是向上的。
Begin turning counterclockwise and slowly bring the hoop up over your head, flipping it over your thumb as you shift your hand so the fingers are pointing up.
开始缓慢的逆时针旋转，把圈带到头顶上，移动手的时候在拇指上方迅速翻动呼啦圈，这样手指就是指向上方的。
But even more impressive is to see the Raptor at low speed, hovering almost stationary in the air, its nose pointing upwards, like a child’s toy strung up to the sky.
但是，“猛禽”战斗机还可以保持低速飞行状态，悬停半空几乎静止，机头上挑，就像挂在天上的儿童玩具那样；一个人若能见到这般景象，则更会心服口服。
"By using this effect to precess the spin from pointing up to pointing down, you can change the bit of information carried by that electron from a 1 to a 0, " Flatté says.
弗拉提说：「利用这种效应，把自旋从指向往上的状态进动到往下，你就可以把电子所带的资讯位元从1变成0。」
Drop-Knee :An exaggerated back-step where one knee is dropped toward the ground while the other is pointing up, resulting in a stable stemming position of the legs, especially on overhanging rock.
一只脚的膝盖朝下，另一只的朝上，使得双脚支撑得较好，尤其在悬岩的地方。
Heading south into the misty hills i discovered a route called the coffee road. This is exactly my sort of road! Around midday i saw a sign for coffee pointing up steep side road, which i followed.
南行进入了迷雾氤氲的山谷，沿著一条叫咖啡路的道路前行，在接近午时我看到了一个咖啡园的招牌指向一条陡上的岔路，正是我喜欢的类型！
He elaborates this by pointing out that the inevitable competition for corn by multiple consumers, including beef and dairy farmers, will drive the price of corn up.
他指出，包括养牛户和奶农在内的众多消费者对玉米不可避免的竞争将推高玉米价格。
He has compared it with plumbing, pointing out that a plumber doesn't wake up and say that he can't work with pipes today.
他曾拿写作与修管道作比，指出一个管道工不会一觉醒来就说他今天不能修管道了。
Protesters on the National Mall also put up a sign with the word "dream", pointing to Martin Luther King Jr., and the word "nightmare", pointing to Glenn Beck.
在国家大草坪举行抗议的人们还立了一块牌子，上面的“梦想”字眼指向马丁·路德。金，而“恶梦”的词则指向格伦·贝克。
And they are calling for more effective policing, pointing to how tightening up in France has had a dramatic effect on drivers' behaviour.
同时，保险公司协会呼吁更有效的政策，并指出在法国紧缩的政策对规范驾驶者的行为效果显著。
Sure, there are plenty of dumb decisions made about money every day but there isn't any value in pointing fingers or getting up on a high horse about other people's poor decisions.
当然，有很多关于钱的愚蠢的决定每天，但却没有任何意义每一次都需要指出或对别人错误的决定嗤之以鼻。
Dr. Sabine said he agreed with the analogy, pointing out that his estimate for uptake up to 1994 was very close to Dr. Khatiwala’s for that period.
萨宾那博士表示同意这一类比，指出他截止到1994年的数据与卡蒂瓦拉博士同期的估算结果非常接近。
Even before Wednesday's away defeat some observers suggested that Hiddink had tired and grown fed up with the Russia job - pointing out he spent only 30 days in Russia this year.
甚至在星期三客场被打败之前，一些观察家说希丁克已经累了并且厌烦了俄罗斯的工作——指出今年他仅仅在俄罗斯呆了30天。
Even before Wednesday's away defeat some observers suggested that Hiddink had tired and grown fed up with the Russia job - pointing out he spent only 30 days in Russia this year.
甚至在星期三客场被打败之前，一些观察家说希丁克已经累了并且厌烦了俄罗斯的工作——指出今年他仅仅在俄罗斯呆了30天。
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