The plants also change shape, shrinking to minimize the surface area through which their remaining water might evaporate.
这些植物还会改变形状，萎缩以使表面积最小化，剩余水分正是通过植物表面蒸发掉的。
This photomicrograph was obtained by scanning a beam of electrons across the sample while a detector kept track of electrons bouncing off its surface, betraying the specimen's outer shape.
这幅显微照片是通过扫描穿过样品的电子束而获得的，同时检测器对从样品表面反弹的电子进行追踪，这些电子显示了标本的外形。
The common aim of all such systems is to represent an ellipsoidal shape on a flat surface — distortion in some places is almost inevitable.
这些系统的共同目标是在平面上表示椭圆形状 —有些地方失真也是不可避免的。
The images were produced using the Michigan Infra-Red Combiner (MIRC) instrument which allows astronomers to see the shape and surface characteristics of stars.
这些照片是利用密歇根红外组合器(MIRC)拍出来的，该仪器可以帮助天文学家观测到恒星的形状和表面特征。
Body shape: The blended wing's fuselage relies on a triangular shape to reduce its surface area and generate 20 percent of its lift.
机体外形：三角形混合机翼能减少表面面积，表现提升20%。
A new method of surface shape measurement of aspherical optical components.
一种测量非球面光学零件面形的新方法。
An aspherical reflector is tested and testing data are processed by the interpolation calculation, then the curve equation of the component surface shape is fitted.
对一个非球面反射镜进行了实测并对测量结果进行插值运算，进而拟合出零件面形的曲线方程。
You can check the surface shape by projecting curves to the surface and see if the projected curve shows the surface desired shape where it is projected.
您可以检查面形的投影曲线的表面，看看预测的曲线是否显示了预期想得到的表面形状。
The mathematical model of the surface shape measurement of aspherical optical components is built up according to the laser scanning measurement principle by the translation & rotation method.
根据激光扫描平移加旋转法的测量原理，推导出了非球面光学零件面形测量的数学模型；
The system can be used in installing and debugging the disc and also in measuring the micro displacement of the object, the surface shape and thickness of the object, so it has fairly applied value.
本系统除可用于码盘的安装调试外，还可测量物体微位移、物体表面形貌及物体厚度，有很大的实用价值。
The second one is an optimal problem of displacement distribution by controlling partial surface traction distribution or varying the surface shape etc.
第二个问题是利用部分边界的边界应力分布或变化边界形状控制表面位移分布。
The general principle of the precise spherical generation is discussed. The deviation of the resulting surface shape is analysed and calculated. Some data and results are given.
本文讨论球面范成法成形的一般原理，分析和计算范成表面的形状偏差，给出若干数据和结果。
This paper analyzed the main factors which affected the surface shape of EMC pad, giving the general equation of oil film thickness.
分析了影响弹性金属复合瓦EMC瓦面形状的因素，给出了油膜形状的一般表达式。
By bulging forming technology analysis of color kinescope shaded cover, die structure and main parts designs are introduced. Punch surface shape is also designed by surface equations.
对彩管荫罩零件进行张拉成形工艺分析，介绍了模具结构及主要零件设计，并运用曲面方程进行凸模曲面形状设计。
The sleeve surface processing is discussed, choosing different abrasive, time and pressure will result in different surface shape and rough parameter.
讨论了套筒表面的喷砂处理，选择不同的磨料、时间及压力可得到套筒不同的表面形状及粗糙度。
A calculation method to calculate the surface shape error of rhombic prism according to parallelism demand of emergent beam is introduced.
介绍一种根据出射光平行度要求计算斜方棱镜面形误差的方法。
The user is also able to define necessary geometric constraints, so as to further control the surface shape.
用户也能够定义必要的几何约束来进一步控制曲面外形。
The method given in the paper can be used to determine the sliding surface shape and the safety factor, and enables one to study width effects of the sliding collapse.
本方法可以确定三维滑裂面形状和安全系数，同时可研究滑坡的宽度效应。
At present, the advanced technology of mechanical seal is the surface shape changed, the combined seal and the controllable mechanical seal.
目前先进的机械密封应用技术主要有表面改形技术、组合密封技术和可控机械密封技术。
The surface height can be reconstructed accurately from a synthetic image by the iterative calculus, which provides a feasible approach for extracting the surface shape of fabric image.
对合成图像进行迭代计算，获得了较为准确的表面高度，并对实际织物图像验证了该算法的可行性。
Conclusion corneal astigmatism was the main cause of differences of compound myopic astigmatism and simple myopic in corneal surface shape.
结论角膜散光是复性近视散光与单纯近视之间角膜形态差异的主要原因。
Since the design of the glass shell geometry, such as its structure, its surface shape and the variations in curvature, can well be parameterized, the design efficiency has been considerably improved.
本设计实现了玻屏表面外形和曲率变化及玻壳结构设计的全参数化，提高了玻壳的设计效率。本文还给出了计算玻壳外型的公式和一些技术参数。
Now a conclusion comes: the stability of stope not only has a relationship with the size of the exposed roof, but the exposed surface shape has a crucial influence on its stability.
得到结论：采场稳定性不仅与顶板暴露面大小有关，暴露面形状对其影响也是至关重要的。
The invention discloses a method for analyzing digital interference fringe and a device for detecting optical component surface shape.
本发明公开了一种数字干涉条纹分析方法及光学元件面形检测装置。
The invention discloses a method for analyzing digital interference fringe and a device for detecting optical component surface shape.
本发明公开了一种数字干涉条纹分析方法及光学元件面形检测装置。
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