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- A ruled surface of revolution formed by an edged circle as the guide element is proposed in the category of basic geometrical bodies. 摘要在基本几何体的范畴内,提出一种以棱圆为导元素的直纹曲面。
- This article not only discusses the ruled surface features of uniparted hyperboloid and its application in archtecture engineering but also discusses the teaching of the ruled surface. 本文主要讨论了单叶双曲面的直纹性,指出它在建筑工程中的应用,并对直纹面的教学作了探讨。
- The ruled surfaces were used to approximate the freeform surface of blade,attention was focused on the 5-axis plunge milling of blisk's tunnel. 针对整体叶盘等复杂结构件,从锻造毛坯到最终零件加工成形,需要切除大量的多余材料的问题,提出了一种开式整体叶盘通道的五坐标插铣粗加工方法。
- The Ching court began to feel its rule threatened. 清廷开始感到自己的统治受到了威胁。
- Two new methods are presented for machining ruled surfaces.By means of adjusting the changing rate of straight generatrix, the first method can reform a general ruled surface into a developable one. 提出了2种加工直纹面的新方法.其中第1种方法通过调整直纹面上母线方向的变化规律,使之成为可展面,以便在加工中获得无脊棱的光滑曲面;
- But this does not rule out unofficial discussions. 但这并不排除进行非正式的讨论。
- The rule is inapplicable to this occasion. 那规则对这一场合不适用。
- According to the thickness of the blade, variable distance offset curves of the shroud camber line and hub camber line were acquired, then the blade surface can be expressed by ruled surface. 按照叶片的厚度做盖盘曲线和轴盘曲线的变距偏置曲线,得到叶片曲面的直纹化表达式;
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- It is up to the courts to rule on this matter. 这得靠法院对这事作出裁决。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- I'm afraid that the judge might rule against him. 恐怕法官的判决会于他不利。
- I make it a rule to take a short walk after lunch. 我习惯在午饭后散散步。
- The teacher reiterates that rule. 老师重申了那条规则。
- 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。
- The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces. 作者证实:单叶双曲面和双曲抛物面是直线曲面。
- There is always an exception to any rule. 任何规律总有例外。