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- normal vector of a surface 曲面的法线矢量
- A Method to Calculate the Normal Vector of a Closed-Curve Surface 一种计算空间封闭曲面正侧法向量的方法
- A surface in the form of a coil or screw. 螺旋面具有线盘或螺丝形状的表面
- An extremity of a solid is a surface. 立体的边界之一是一个面。
- The extremities of a surface are lines. 面的边缘是线。
- A surface, especially of a curving form. 外形表面，尤指曲线形态
- By controlling the worktable to rotate in x-y plane, the superposition between the rotary surface of the grinding wheel and the normal vector of the curve was realized. 该方法是在传统的曲线磨床的基础上，增加一个可以使工件相对于砂轮偏转的数控回转轴，实现砂轮对工件轮廓的法向跟踪磨削。
- First, the normal vector of the surface was calculated using the differential geometry based on the features of an involute and a cycloid as a reference of radius of the ball milling cutter. 由于铣刀每完成一个行程后，还要进行轮廓插补，采用一种新的渐开线轮廓插补方法，并将插补轨迹换算成球头铣刀的刀心轨迹。
- Repetition of a sound by reflection of sound waves from a surface. 回声因表面反射声波而引起的声音重复
- A mist or film clouding a surface, as of a window, lens, or mirror. 朦胧,模糊:如在窗玻璃、透镜或镜子面上挡住表面的雾或薄膜。
- Vertex format includes a vertex normal vector. 顶点格式包括顶点法线向量。
- The normal vector may not be a null vector. 法向量不能是空向量。
- Each tuple is a vector of members. 每个元组是一个成员向量。
- The cake we made was somewhat of a failure. 我们做的蛋糕不大成功。
- Secondly, introduce the angle information formed by the normal vectors of adjacent area so as to distinguish polyhedral box shaped parts, revolving parts and free-form surfaces. 引入点所在邻域法向量的夹角信息，进一步区分多面体盒形件、回转类零件或自由曲面信息。
- The surface between the ribs of a ribbed vault. 梁腹，腹板某扇形拱的胁拱之间的平面
- Become covered with a layer of ice,of a surface such as a window. 变得覆盖上一层冰,如窗的表面。
- Normal firmness of a tissue or an organ. 健康状态某个组织或器官所具有的正常坚韧性
- A mist or film clouding a surface,as of a window,lens,or mirror. 朦胧，模糊如在窗玻璃、透镜或镜子面上挡住表面的雾或薄膜。
