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- Using improved BP neural network, equidistant surface reconstruction of NURBS is proposed. 利用改进的BP神经网络构造三次有理B样条曲面等距面。
- In this paper,a automotive body surface measuring instruments with non-contact equidistant surface measuring method based on laser triangle measurement has been developed. 介绍了一种基于激光三角法的激光等距非接触测量车身曲面的装置。
- They put forward the concept of slant equidistant surface and its conesponding formulas, and introduce its application in the manufacture of standard impellers. 提出了斜等距曲面的概念及相应公式,并介绍它们在制造增压器用精密母轮中的应用。
- Directed at special surface machining, the paper offers the introduction of the concept of slant equidistant surface, the analysis of the properties and the establishment of mathematical models using conic tool to grind special surface. 针对异型曲面的加工问题,引入了斜等距曲面的概念,并对其性质进行了分析,建立了锥状刀具磨削异型曲面的数学模型。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元,寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
- The surface must be thoroughly clean. 表面必须彻底弄清洁。
- 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
- An indented or concave surface or area. 凹陷,洼地凹的表面或地区