A unit vector normal to the plane of t and n, which is the plane of curvature.
所构成的平面的单位向量，该平面为曲率所在的面。
OK, the best way to it, now that we have the gradient vector, is actually to directly say oh, we know the normal vector to this plane.
最好的方法是，既然我们已经有了梯度向量，就可以直接说,我们知道了切平面的法向量。
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。
The plane had to deviate from its normal flight path.
那架飞机只好偏离正常的航线。
When we know two vectors in a plane, it let us find the normal vector to the plane, and that is what we need to find the equation.
当我们已知平面上的两个向量，我们就可以找到，这个平面的法向量，然后我们就可以用法向量来找到方程。
The low-pollution plane to carry between 50 and 100 passengers will take off using normal engines powered by biofuel made from seaweed before switching on its rocket engines at altitude.
该低污染的飞机可以搭载50到100名乘客，起飞时飞机使用从海藻中提炼的生物燃料驱动的常规引擎，当爬升到特定高度时，飞机会切换到火箭引擎。
Another way to do it, of course, would provide actually parametric equations of these lines, get vectors along them and then take the cross-product to get the normal vector to the plane.
当然也有另一种方法，就是用参数方程表示这两条直线，用两条直线的方向向量作外积，从而得到切平面的法向量。
One thing that's on this picture that I haven't drawn down is the normal vector to the plane.
图上有个东东我没画,就是这个平面的法向量。
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。
You can imagine superimposing a sphere on the image above, and then taking a plane normal to the point of interest.
你可以想象叠加就上述领域的形象，然后以正常的飞机的兴趣点。
The paths of incidence and reflection are in a plane normal to the surface.
入射和反射的路径都在与表面垂直的平面内。
Airline officials said the plane then restored to normal.
航空公司高级官员称，飞机随后恢复了正常。
Purpose To analyse the characteristics of mandibular incisor point chewing movement on frontal plane orbit in youth of normal occlusion.
目的分析正常(牙合)青少年下颌切点额状面咀嚼运动轨迹的特征。
Plane wave has the overall direction, compared with the normal migration, the plane-wave imaging results can be comparable to, and has a high computational efficiency.
平面波具有全局方向性，相对逐炮偏移而言，平面波偏移成像的结果是可以与其相相比的，并有很高的计算效率。
It has a super jet that will allow the plane to land on a normal runway or completely vertically!
它有一个超级喷气式客机，将允许飞机降落在跑道正常或完全垂直！
For that I created a normal plane in the middle of the grass part and in edit poly mode selecting the edges I began to extrude and adjust the terrain to fit with the grass parts.
这样我就在草坪中间创建了一个标准的平面图，在编辑多边形中选择边缘，开始挤压并调整地形，使其和草坪部分保持一致。
Thus, the detected pl intensity normal to the lateral plane is enhanced.
所以垂直横向平面的发光强度。
Objective To discuss the movement path of condylar limit movement in sagittal plane and horizontal plane between the normal occlusion and malocclusion.
目的讨论正常者与错者在下颌极限运动时、咀嚼运动及磨牙时，髁突在矢状向与水平向移动的运动轨迹。
Also, a solution is offered to solve the problem of generating tool axis vector when the surface normal ts perpendicular to rotary plane.
同时解决了曲面法矢垂直于回转平面时刀轴矢量难以确定的关键问题。
Normal rolling sheets have obvious preferred grain orientation and basal plane (0002) is parallel to the rolling plane.
常规轧制板材具有明显的晶粒择优取向，大部分晶粒的(0002)基面都平行于轧板表面。
Fly is to make sure our flight is follow the procedure, the check is to confirm the plane is in normal working situation.
操纵保重了飞行严格的按照程序进行，而检查则时时刻刻确认飞机的各个部分处于正常的工作状态。
"The plane appeared to be making a normal approach to land when it suddenly reared up into the sky, "he said. "Then it fell back like a great stone and we heard the explosion.
“飞机当时好像准备正常降落，但是却又突然拉高飞了上去”，他说，“然后飞机像一个石头一样坠落在地，随后传来了“隆隆隆”的爆炸声。”
"The plane appeared to be making a normal approach to land when it suddenly reared up into the sky," he said.
“飞机好像准备正常着陆，突然又攀升到天空，”他说。
The revision of the image gradient is to revolve it to the reverse direction of the normal vector's projection on the image plane.
图像梯度修正是将图像梯度方向旋转到尽量与法向量在图像平面的投影反向一致的方向上。
As to the shear strength mobilized in drained test, both of these two components are related with the effective normal stress on the failure plane.
而在排水试验中，则这两部分强度均对应于破坏时的有效应力。
As to the shear strength mobilized in drained test, both of these two components are related with the effective normal stress on the failure plane.
而在排水试验中，则这两部分强度均对应于破坏时的有效应力。
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