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曲率

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Through measuring curvature radius of the thin convex lens, we can measure refractive index of the liquid.

用液体和薄凸透镜可以组成液体透镜组,通过测量薄凸透镜的曲率半径,达到测定液体折射率的目的。

In the design,the optimum radius of the rear convex mirror was presented which could efficiently compensate the effect of thermal lens,and the resonator would become a equivalent stable resonant operation dynamically. A slope efficiency of 13% and beam divergence of 1.3 mrad were achieved.

选择的凸面全反镜的最佳曲率半径有效地补偿了增益介质热透镜效应,激光器实现了动态稳腔运转,激光脉冲能量输出斜度效率大于13%,光束发散角优于1.3 mrad。

Gauss curvature is put forward to estimate the local convex of a surface to guarantee its quality.

对于后着,本文提出采用Gauss曲率来进行曲面局部凸性的判断,从而更加保证了曲面的质量。

A curve coordinate system which is suitable for variable height curved box-girder were established.

当曲轴线半径与箱梁宽度比小于10时,必须考虑曲率沿横向变化的影响。3。

Finally, image morphing reality degree is defined for the first time in the research field of image morphing by computing the area between the curve and one coordinate axis, curvatures of the curve at different points, and so on.

它通过计算曲线与坐标轴,曲线插值点处的曲率和其他一些衡量标准得到。

The quantities ba are the covariant components of a plane tensor, called the curvature tensor of the surface

baβ是"平面张量"的协变分量,叫做该曲面的曲率张量。

The effect of different measures length on crimp test results is studied.

研究了不同测试长度,对羊毛卷曲的曲率半径的影响。

In order for closed time-like curves to exist, there has to be a curvature of a specific form on spacetime.

为了使封闭时间样曲线存在,必须有曲率的一种具体形式的时空。

Easement curve was introduced, whereby curvature changes steadily form a straight line to the desired radius.

缓和曲线推出,即曲率变化,稳步形成一条直线,以达到预期的半径。

This paper analyzes the deviation of cambered form witch is composed of batten and sheet in concrete construction,and then educes a relationship between width of sheet,deviation of cambered form and curvature radius of camber,in order to solve the problem of assemble spline form work and increase construction quality of concrete curved surface.

分析了用板条和铁皮组装而成的曲面模板在曲面混凝土施工中的误差情况,同时给出了施工中板条宽度、曲面误差、曲面曲率半径之间的关系,以解决好拼装样条模板的问题,从而提高混凝土曲面的施工质量。

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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。

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

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。