查询词典 roughness

The influence of measurement geometry and ultrasonic source and receiver are analyzed to highlight their role in the estimation of elastic stiffness from scattering coefficients. Extrinsic properties, such as surface roughness, are briefly dealt with.

报告中分析了几何结构、超声波源以及接收体对检测的影响，强调了它们在弹性刚度、散射系数的评估中的作用，涉及了非固有特性的处理。

It is Y type of reflective fiber- optic probe head adapted in the paper that integrates micro-displacement and surface roughness measurement device which is composed of Luminescence Diode Phase Locking Amplifier, Fiber-optic probe head Electric eye and so on.

本论文采用Y型反射式光纤探头构建了微位移及表面粗糙度检测装置，主要由发光二极管、锁相放大器、光纤探头、光电池及相关电路组成。

The present invention is one group of health foods for treating emaciation with yellowish complexion, roughness of the skin and color spot of people, especially women and old people.

本发明公开了一组数种保健食品，主要针对面黄肌瘦、缺少红润和光泽、皮肤粗糙、早生色斑者，尤其女性和中老年人士专门设计的日常食疗调养美容保健食品。

Process efficiency , durable degree of emery wheel in improving and reduce and all have a very good result to process the roughness of a piece of surface etc., can meet lubrication of 80m/s high-speed grinding machine , cooling demand , and well have antirusting.

对提高加工效率、砂轮耐用度和减少加工件表面粗糙度等都有很好的效果，能满足80m/s 高速磨床的润滑、冷却要求，且具有很好的防锈性。

In ELID grinding, use imperceptible emery wheel to undertake grinding can obtain very low surface surface roughness, came true to written guarantee to steel of hard alloy exceed accurate mirror grinding.

在ELID磨削中，采用微细砂轮进行磨削可以获得很低的表面粗糙度，实现了对钢结硬质合金的超精密镜面磨削。

By extracting encrustation of histogram,and calculating partial fuzzy extent around pixels to update the fuzzy roughness.

通过提取直方图的外层，以及计算像素点周围的局部模糊程度来更新粗糙度。

Speckle is also the fundamental uncertainty factor in this kind of sensors. The analytic expression of centroid uncertainty limit is derived from the statistic of laser speckle, and it is shown that the uncertainty limit in RST, and also in anamorphic triangulation, is dependent on the solid angle subtended by entrance pupil as seen from the illuminated laser spot, the triangulation angle, as well as the laser wavelength. The influence of aberration of optical system and surface roughness are also discussed.(4) A method of getting the 3D edge characters based on the integrated vision system is studied.

重点研究了RST中的激光散斑现象，从散斑统计学的角度，首次推导了激光散斑引起的旋转对称三角法位移测量不确定度的极限，结果表明在光学粗糙表面上，该极限由投射激光波长，光学系统入瞳对投射光斑所张的立体角，以及光学系统主光轴与旋转轴的夹角确定；这一结论同样适用于其他变形成像的激光三角法。4基于RST的工作方式，研究了利用集成视觉系统的扫描移动来获得被测物体的低分辨率三维信息的方法。

The result indicates that, under the same condition of vegetation density and arrangement, when F is smaller than 12.2371, the vegetation behaves absolute erectness and the vegetation roughness coefficient and drag coefficient have no relation with F.

试验结果表明，淹没植被在植被密度和排列方式相同的情况下，若植被抗弯指数F值小于12.2371，植被呈完全刚性，植被糙率系数和阻力系数与F值无关。

It is different from traditional concept that the concept dynamic roughness includes influence of model error, truncation error, observation error and so on.

此时的糙率与传统的概念有明显的不同，它包含了模型误差，截断误差，观测误差等各方面的综合影响。

This paper deals with the necessity for carrying out the measurement of the gear tooth face roughness, introduces the present ways of checking and measuring, and also lays emphasis on recommending principles, ways of operating and measured results of a newly-set instrument used in our university.

本文阐述了广泛开展齿轮齿面粗糙度测量的必要性，以及目前对齿面粗糙度的检查和测量方法，重点介绍我校使用的测量齿面粗糙度的"新装置"的测量原理、测量方法及测量结果分析。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。