Analysis of Similarities and Differences between American Standard and Chinese Standard of Shape and Position Tolerance;
关于形状和位置公差的中美标准异同浅析
Research on relations between the plane shape of mining pit and its stability;
露天采矿矿坑形状与矿坑稳定性的研究
Influence of Nozzle Shapes on Ability of Sand Blasting;
喷嘴形状对喷射能力的影响
This paper appraises the establishment and development of the form tolerance and position tolerance in developed industrial countries and ISO.
对形状和位置公差标准的国内外发展状况进行了评述与分析 ;指出了各时期形状和位置公差的结构特点 ;说明了形状和位置公差标准的产生、建立和发展是由科学技术、工艺技术及测量技术决定的 ,并与生产紧密相
This paper discussed the function of emotion transfer by color and form,and then analyzed its influence on the festival gifts packaging design.
阐述了色彩与形状在情感传递方面的作用,并就其对节日礼品包装设计所带来的影响进行了分析与探讨。
Using the principle of Projectiv e geometry and Analytic geometry,we have intact analysed about the cut and hand in line of taper and Geometry proved the form produced by the special-position -leve and the general-position-level.
利用射影几何和解析几何的原理对圆锥截交线进行了完整的分析,对特殊位置截平面与一般位置截平面产生的截交线的形状进行了几何证明,为截交线的形状判别与绘制提供了理论依据。
In sharpening tool cutters there is a shortcut mainly based on the geometric shape,which is not only easy to learn, but also can be very precise.
学习刃磨切断刀完全可以走捷径,以几何形状入手的方法,不但入门快,而且不出偏。
States the method of improving the joint strength by analyzing and researching the excessive coordination of the shaft plug and chain plate, geometric shape and tolerance of plate hole and shaft plug, chain hardness and the pressure in the coordination of the chain joint.
链节的联接固度对链条的使用寿命影响很大,通过对销轴与链板配合过盈量、链 板孔和销轴的几何形状误差、链板硬度、链节静配合连接中的比压等的分析研究,提高了 链节的连接固度。
The modulation transfer functions (MTF) of CCD array with equal sampling area but different geometric shapes of pixel are analyzed and simulated by the CCD sampling theory in the case of hexagonal and rectangular shapes.
本文从 CCD的采样理论出发 ,以六角形和矩形像元为例 ,对具有相同采样面积但像元几何形状不同的阵列的调制传递函数 (MTF)进行了理论分析和数值模拟。
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