Because when you're up on that point, you see anything that's in the water and anything close to the surface.
因为当你在那里的时候，你可以看到水里的任何东西和贴近水面的一切。
Please pay attention to the subtle differences, particularly the Tangential line marking the fillet's point of contact with its adjacent surface, and how the reflections break there as well.
请注意细微的差别，尤其是切线标示出的倒圆角与临近面的连接处，还有在那里反射光是如何被打断的。
The lowest point on the surface of the Earth, tourists come from around the world to float in the Dead Sea, a lake lying between the countries of Israel and Jordan.
在地球表面上的最低点，来自世界各地的游客到此只是为了在死海上漂浮。它位于以色列和约旦之间。
This device USES a sharp point mounted on a vibrating cantilever, which scans the surface of a sample and reacts to topology and the properties of the sample to provide highly detailed images.
此设备使用尖锐点振动悬臂，它会扫描样品表面、拓扑结构和样品的属性，以提供非常详细的图像。
But as the paper moved from side to side under the pen point, its movement would be recorded in ink upon its surface.
由于纸在笔下来回运动，纸的表面就会用墨水记录下地板运动的情况。
Pleasureful: the point of walking barefoot is to experience the pleasure of feeling the surface beneath your feet.
愉悦：赤脚经验重要的一点就是感受你脚下的快乐。
And, so now I'm going to have a point on that and it's going to move on that surface.
然后我在这平面有一个点，这个点在平面上移动。
So, remember, when we set up the divergence theorem, we need the normal vectors to point out of our region, which means that on the top surface, n But, on the bottom face, we want n pointing down.
当我们建立散度定理时，我们要使法向量指向区域外，即在上表面时，要指向上方。，we，want，n，pointing，up。,但是，在下表面，要使n指向下面。
This article has just skimmed the surface of this interesting field but has provided a starting point you to create an effective information-management policy for your specific needs.
本文只是粗浅地触及了这个有趣领域的表面，但是为您提供了一个起点，以便为特定的需求创建有效的信息管理策略。
This special report will point to where it is beginning to surface.
这一特殊报告将指出其浮出水面的起始点。
First, the surface temperature of the hinge must exceed the glass transition temperature of the material, which is the point at which the material begins to soften.
第一，折痕表面温度必须超过材料向玻璃过度的温度点，即材料开始变柔软的温度点。
The point of this capability is to more readily surface key business events and enable quick collaboration to address a user's need.
这一点功能更能够呈现出关键的业务事件，并支持更快的合作，以解决用户的要求。
Transportation from any point on the surface the Moon to any other point will be accomplished in less than 24 hours by means of a global rail network.
依托于环绕月球的铁路网，从月球任何一处到另外任何一处的交通运输可以在24小时内直达。
To liquid nitrogen, flesh is like that skillet-a surface hundreds of degrees above its boiling point.
在我的试验中，对于液态氮来说，比其沸点高几百度的皮肤就是那个平底锅。
Well, that means the gradient is actually perpendicular to the tangent plane or to the surface at this point.
那意味着，梯度向量在这点上，垂直于切平面或者是等值面。
Say when you're at the front of C prime, your thumb points to the right, your index points up because that's where the surface is, and then your middle finger will point out.
你在曲线C的前端，你的拇指指向右边，你给指出来了，因为那就是这个表面所在，然后你的中指就会指出。
And, at this point, I have the tangent plane to the level surface OK, so this is tangent plane to the level.
在这点上，我们有一个切于等值面的切面，这就是等值面的切平面。
But, Hsu adds, to try to replicate the experience of a mechanical keyboard on a touch-screen surface is to miss the point.
徐还补充到，试图在触屏表面模拟出机械键盘的功能则忽略了这一点。
Then I want to make my index finger point towardS the surface.
然后让食指指向那个曲面。
The good news (or bad news, depending on your point of view) is that this little introduction to regression barely scratches the surface, and that scratch is really even barely noticeable.
好的消息是(也可能是坏消息，取决于您自己的看法)上述对回归模型的简单介绍只触及了一些皮毛，这种触及甚至都不会被真正地注意到。
Then use all means at your disposal to measure each point perpendicular to the surface.
使用所有的方法，在测量任意一个点都要垂直于表面。
It's not clear why this extrapolation was used or what conclusions can be drawn from it; the molecular surface tension could just as easily be asymptotic with respect to the zero point.
外推的原因和结论都不清晰，分子表面张力也可能是渐进趋向于零。
A two-dimensional model of such a universe would look like a sphere. It's impossible to have parallel geodesics (straight lines on a curved surface) — the two lines will cross at some point.
这样的2维宇宙模型就像是球体，不可能出现平行的测地线(测地线是曲面上的直线)——两直线必然在某点相交。
Basically, the purpose of this indexer is to return a point corresponding to a given row and column on the drawing surface. Follow these steps.
本质上，该索引器的目的是返回一个与绘制面上已知的行和列相对应的点。
The molecular surface tension could just as easily be asymptotic with respect to the zero point.
外推的原因和结论都不清晰，分子表面张力也可能是渐进趋向于零。
This article has just scratched the surface of using zippers in the Visitor pattern; the point of it is to whet your appetite for further exploration.
这篇文章仅仅是涉及了在访问者模式中使用zippers的一些浅显问题；目的在于激发您进一步探索的兴趣。
The surface water near Tasil Point can be as warm as 80 degrees in June, and according to hypothermic tables, a person can survive in those conditions for up to 12 hours before falling unconscious.
塔希尔检查点附近海面的海水温度在六月份大约是80华氏度(不到27摄氏度)，在这种温度下，人在陷入昏迷状态之前，在水里最多可以坚持12个小时。
w=c So, I have my level surface, w equals c I have a curve on that, and at some point I'm going to have a certain velocity.
画出等值面,上面有一条曲线,某点处，有某个速度。
w=c So, I have my level surface, w equals c I have a curve on that, and at some point I'm going to have a certain velocity.
画出等值面,上面有一条曲线,某点处，有某个速度。
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