And to find the height of this thing, I need to know what actually the normal component of this vector is.
为了求出高度，需要知道这向量的垂直分量是多少。
What we will do is just, at every point along the curve, the dot product between the vector field and the normal vector.
我们要做的是，沿着曲线的每一点上，取向量场和法向量的点积。
And, we know how to find a normal vector to this plane just by looking at the coefficients.
我们已经知道，如何根据系数找到这个平面的法向量。
OK, and that's going to be the normal vector to the surface or to the tangent plane.
这就是切平面的，或者说这个曲面的法向量。
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。
A study is given to the necessary conditions for construction of normal vector wave functions in homogeneous stratified media.
研究了在均匀分层介质中构成标准矢量波函数的必要条件。
Nor: Uses the direction of the normal vector as coordinates. This is very useful when creating certain special effects (see below).
法向：使用法向量的方向作为坐标。这在创建某些特效时非常有用（见下文）。
Well, the normal vector is either coming straight at us, or it's maybe going back away from us depending on which orientation we've chosen.
法向量或者指向我们，或者背向我们,这要根据我们选的方向来定。
Let's break the name down. The "normal" is a vector perpendicular to a surface, which we can use to calculate lighting.
首先我们从名字上开始分析，所谓“法线”指的是垂直于平面的向量，我们使用这个来计算光照。
Calculates the normal vector projecting from the hand relative to the controller.
计算手掌相对于控制器的法线向量。
According to the characteristic of the wave field data, a simple algorithm is used to calculate the normal vector at the nodes.
文中针对表示波浪面的数据集的特性，采用了一种简单的节点法矢量算法。
In fact, our vector field and our normal vector are parallel to each other.
事实上，给定的向量场与法向量是相互平行的。
It's the dot product between the normal vector of a plane and the vector along the line.
这是平面法向量，和沿直线向量的点积。
Key points: application of the direction vector of a line and the normal vector of a plane.
重点：直线的方向向量与平面的法向量的应用。
Tasklets from the high-priority vector are serviced first, followed by those on the normal vector.
来自高优先级矢量的微线程先得到服务，随后是来自正常优先级矢量的微线程。
You can just multiply a normal vector by any constant, you will still get the normal vector.
一个法向量与任意常数相乘，还是法向量。
But, when it comes to looking for the normal vector, be rest assured that the normal vector to a horizontal plane is just vertical.
但是在寻找法向量时，可以确定法向量与水平面垂直。
And we looked at the component of a vector field in the direction that was normal to the curve.
我们研究的是，向量场在曲线法向量方向的情况。
That is our convention to get a unit normal vector that points to the right of the curve as we move along the curve.
这是约定的得到单位法向量的方法，这种做法使得，当沿着曲线行进时，法向量始终指向右手方向。
The normal vector of each data point is calculated without reconstructing surface, and then realizing radius compensation with probe radius by going along normal vector.
在不需要重建曲面模型的情况下，找到每一个数据点的法矢，在该法矢方向上补偿一个球头半径实现了测头半径的三维补偿。
To find the surface element together with a normal vector, I would just take the cross-product between these guys.
为了找到带法向量的面元，我就取这两个的叉积。
That is, it creates a 3-d figure by extruding in the direction of the Face object's normal vector.
也就是说，它在Face对象的法向量方向上进行挤压，创建一个3 - D图形。
That corresponds to normal vector pointing up.
那相当于法向量指向上。
That means your normal vector points down.
那意味着法向量指向下。
The notation suggests it is a normal vector, so what does that mean?
从记号来看，是一个法向量，那它有什么意义呢？
First of all, what does the normal vector to a cylinder look like?
先思考一下圆柱面的法向量？
And let's say I want to Orient my cylinder so that the normal vector sticks out.
我给这个圆柱确定了方向，即法向量指向圆柱之外。
What if I give you a really complicated curve and then you have trouble finding the normal vector?
如果给你的是，一条很复杂的曲线，而又找不到法向量？
The convention in the divergence theorem is that we orient the surface with a normal vector pointing always outwards.
在散度定理中的约定是,将曲面的定向取为外法线的方向。
Well, the question we have now is what is the area of this little piece of surface and what is its normal vector?
现在的问题是，曲面上这一小块儿的面积是什么，及其法向量是什么？
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