英语释义

1. the locus of the center of curvature or the envelope of the normals of a curve

片语

evolute surface[数]

evolute connection渐开线引线

Evolute evolute渐屈线

intermediate evolute中间渐屈线

Evolute core渐开线铁芯

spherical evolute球面渐屈线

filar evolute线渐屈线

plane evolute[数]

mean evolute中点渐屈线

英汉例句

• the paper explains three types of evolute of cone curve, and introduces curvature center on top of cone curve and drawing way with compasses and ruler of curvature circle.

  给出了三类圆锥曲线的渐屈线方程，介绍了圆锥曲线顶点处的曲率中心和曲率圆的规尺作图方法。

• process of parametric modeling of bevel gear with standard evolute tooth on pc based cad system is presented.

  提出实体参数化逆向造型设计的方法，介绍应用该方法开发圆锥齿轮三维实体参数化造型设计系统的过程。

• the intrusive rocks evolute in the direction of the intermediate, acid-intermediate to the uhraacid.

  侵入巖有由中性—中酸性—酸性—超酸性方向的演化；

• rudders used in china「s vessels did evolute from oars according to the undoubted excavated cultural relics and the relics handed down from ancient times.

  据确凿无疑的出土的及传世的文物，中国船舶的舵是由桨演变而来的。

• penalty as a reaction to crime, was created because of culture, and was evolute because of cultural development and evolution, and the reprieve of penalty is the direct impetus to cultural progress.

  刑罚作为对犯罪的反应，其不仅因文化而创立，更因文化的发展、变迁和进化而历经嬗变，刑罚轻缓化的直接动因是文化的演进。

• when the point moves along the plane curve , the trace curve of the point is called the evolute of the curve , denoted by, and is called the involute of the curve .

  当点沿曲线移动时，相应的曲率中心的轨迹曲线称为曲线的渐屈线，而曲线称为曲线的渐伸线。

• according to the distribution disciplinarian of the gear」s normal on the pitch-curve, the equations of the gear's tooth evolute are set up by analytic method;

  由齿形法线在节曲线上的分布规律，用解析法建立齿形渐屈线方程；

• and emphasizes the form principle of the evolute and involute tooth profile curve.

  并着重研究了渐屈线的形成原理；

• technological innovation is a complicated system, and this system always evolute from inferior to upper.

  技术创新是一个复杂的系统，而这个系统总是从低级向高级进化的。

• in this article the authors first put forward a few simpler and easier methods for calculation the evolute equation, the formula of relative curvature;

  文中给出了有关渐缩线方程，相对曲率计算公式的更简便的推导；