曲率
- 与 曲率 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Schmidt realized that by employing a large spherically shaped mirror (instead of the normal paraboloidal mirror of a reflector telescope) and a smaller apertured diaphragm placed at the center of curvature of the mirror, he could at a stroke eliminate coma and astigmatism.
施密特认识到雇用一个大球型镜(而不是正常的抛物面反射镜的反射望远镜)和一个较小的光阑膜片放置在中心曲率的镜子,他可以在消除中风昏迷和散光。
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4A series of factor such as the difference about the centre of figure and the shear centre, curvature radius, central angle is discussed.
4对曲线梁中的剪、形心位置的差异以及曲率半径、圆心角、预应力大小、摩阻损失等内力影响因素进行了分析。
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In a preferred embodiment of the invention, the inner surface of the arcuate portion of the nose (16) is formed by a sector of a circle and has a radius of curvature which is no greater than about 0.070 inch (1.8 mm).
在一个本发明最佳实施例中,凸起(16)的弧形部分内表面由一个圆的一部分形成并具有一个不大于约0.070英寸(1.8mm)的曲率半径。
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This paper used a method of curvature circle replacing general curve,the authors obtain twouniversal formulas calculating the inherent frequency of relative oscillation in miniamplitude be-tween columns that have general section curve.
本文应用曲率圆弧近似一般曲线的方法,导出了具复杂截面曲线的等截面柱体在另一柱体上微幅摆动时固有频率的一般计算式。
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On the basis of mode conversion theory, this paper further optimized a better dimension and obtained the regulation about the radius of the circular waveguides, curvature and frequency of bent circular waveguides and the bandwidth.
在模式耦合理论的基础上,优化出了比较好的几何结构,并发现了圆波导半径、弯曲圆波导曲率和频率以及频带宽度之间的变化规律。
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And the matching point pairs are obtained by comparing the Euclidean distance of the Zernike moments,which are computed around a circular neighborhood centered at the feature point.Then the transform parameters are computed through the correct mapping model.Finally,the weighed average method is used to achieve image mosaic.
该算法利用曲率尺度空间角点检测法提取特征点,通过比较各特征点圆形邻域Zernike矩的欧式距离得到匹配点对,然后利用正确的映射模型计算出变换参数,最后采用加权平均法得到图像的拼接结果。
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A rod with noncircular cross section and a rod with circular cross section and intrinsic curvature are under investigation.
以非圆截面杆和有原始曲率的圆截面杆为研究对象。
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A high residual magnetic induction was obtained for the samples with a"knee point"located at a large magnetization site and a large curvature of circular segment on the magnetization curves.
磁化曲线上"膝点"位置较高及圆弧段曲率较大的合金具有较大的剩余磁感应强度。
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Convex Al plates were also shocked with the confinement of plane glass,and the plane glass's confinement is still effective as long as the plate's circumflexion radius is greater than 400mm.
对于实际工程应用中有重大意义的非规则平面情形下的约束机制,实验表明,在曲率半径大于400mm时平面约束结构的作用依然有效。
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The Fary-Milnor theorem states that the total curvature of a knotted simple closed curve in R^3 is greater than 4π.
Fary-Milnor 定理:一条空间中的简单封闭扭结其总曲率必大於4π。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。