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- Returns the normal vector to the ground. 返回地面的标准矢量。
- The normal vector may not be a null vector. 法向量不能是空向量。
- Nor: Uses the direction of the normal vector as coordinates. This is very useful when creating certain special effects (see below). 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)。
- 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。
- PCA model was set up based on the normal history data of the system to detect the sensor faults by comparing the projection on the residual subspace to which the real measurement vector and normal vector were projected. 主成分分析法根据系统正常的历史数据建立数理统计模型,通过传感器实际测量数据与正常数据在故障子空间投影的比较,对传感器的故障进行在线检测。
- For each potential instability mode,a critical point on the boundary of the security region was found,in which the normal vector was used to form the hyperplane to simulate the boundary of the s. 对每一种潜在的失稳模式,搜索其动态安全域边界上的一个点,根据临界点处的法向来求解用于模拟动态安全域边界的超平面。
- The normal return fare to New York is fifty-six. 去纽约的来回票标准价是56元。
- This case is not amenable to the normal rules. 这件事经不起常规的检验。
- The normalized vector is used as the input of RBF NN, and target recognition is performed based on this, which leads to a satisfactory recognition result. 并对该特征向量进行对数归一化,将归一化的特征向量作为径向基函数(RBF)神经网络的输入,在此基础上进行识别,达到较好的识别效果。
- Less than the normal ability to respond to stimuli. 敏感减轻对刺激反应能力低于正常水平
- She refused to conform to the normal social conventions. 她拒绝遵从正常的社会习俗。
- Consequently, we are going to calculate the normal vectors on the surface and the duplicate integrality instead of the second surface integrality. 最后对其它形式的光滑有向曲面也进行了类似研究,都可直接转化为二重积分。
- 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。
- Vertex format includes a vertex normal vector. 顶点格式包括顶点法线向量。
- 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
- He's selling his ties at a10% discount below the normal retail price. 他按比通常售价低10%的价格出售他的领带。
- Therefore the normalized vector nv is computed as 因此,归一化的向量nv计算过程如下
- He pays only a quarter of the normal fare because he work for the airline. 因为在航空公司工作,他仅付了正常票价四分之一的票款。