Groundwater sapping is the geomorphic reworking of surface topography induced by water seeping out from an aquifer.
地下水出流侵蚀是由含水层中的地下水的涌出所造成的地貌变化。
The method has been successfully used in the system for measuring the 3-d surface topography of diffractive optical elements.
此方法已成功地应用于自行研制的衍射光学元件三维表面形貌测量系统中。
He carefully examined the surface topography, exposing a secret that had lain beneath the earth's surface for 60 million years.
他仔细研究了当地的地表形貌，揭开了深埋地下六千万年的谜。
The determination method of sea surface topography is important for sea users to improve the positioning accuracy with the double satellite navigation and positioning system.
海面地形的确定方法研究对提高双星导航定位系统海面用户定位精度具有重要意义。
It presents a method named surface Structured Light Projection Triangle Measurement, by which we can capture the surface topography of a three-dimensional object without any contact.
本论文探讨了一种非接触式快速获取三维物体外形的检测方法——面结构光投影三角测量法。
Scanning white-light interferometry for 3D surface topography has a wide application.
白光扫描干涉法在三维表面形貌的测量中有着广阔的应用前景。
Focus detection method is one of the primary non-contact measurement methods of surface topography.
聚焦探测法是表面形貌非接触测量中的主要方法之一。
During the simulated experiment of gears running-in, the surface topography of samples are changed.
本文通过齿轮副跑合的模拟试验，得出了齿轮副在跑合过程中表面形貌的变化规律。
Precisely and reasonably modeling for milling process is the key to study milled surface topography.
精确合理的铣削过程模型是研究铣削加工表面形貌的关键。
In this paper, the surface topography of resin bonded grinding wheel was measured by laser 3d scanning.
采用激光三维扫描方法，对树脂结合剂砂轮的表面形貌进行了测量。
After the polishing solution is adopted for polishing, the copper has smooth surface and good surface topography.
采用本发明的抛光液抛光后，铜表面比较光滑，表面形貌较好。
The surface topography of grinding wheel has great influence on the quality of workpiece and the grinding efficiency.
砂轮表面形貌对磨削表面质量及磨削效率有很大的影响。
But, when relative waviness comes into roughness, only the amplitude effect of surface topography should be considered.
当相对波度为高频的粗糙度时，只需考虑表面形貌的幅值效应。
Our present study was to investigate the corneal posterior surface topography in different clinical stages of keratoconus.
目的分析各期圆锥角膜后表面的形态特点，为完善圆锥角膜形态特点的描述提供参考。
The fractal theory is introduced and variations of running-in surface topography are characterized by fractal parameters in this paper.
本文引入分形理论，用分形参数表征磨合表面的形貌变化。
Objective: to investigate the changes in the posterior corneal surface topography after LASIK and the factors that influence the results.
目的：研究激光角膜原位磨镶术(LASIK)前后，角膜后表面屈光度及曲率半径的改变以及影响因素。
Analytical model that used to study the generation of surface topography is based on the principle of swept surface during cutting operation.
解析模型是基于刀具切削刃包络面形成的原理来研究零件表面形貌的形成。
Theoretical calculation results show that real contact area increases with the increases of the load when the surface topography is constant.
理论计算结果表明，表面形貌一定时，真实接触面积随着载荷的增大而增大；
By the means of surface profile equipment, the machined surface was measured and the statistical parameter of surface topography was calculated.
通过表面轮廓仪测量加工试件表面形貌，采用自行研制的表面形貌参数表征系统进行表面形貌统计参数计算。
Based on the analysis of test results, the effect of both the surface topography and loading frequency on the joint closure behavior is discussed.
通过对试验结果的分析，获得加载频率和表面形态对节理闭合变形性质的影响规律。
It is shown that the fractal parameters are simple and effective to characterize the variations of surface topography during running - in process.
研究表明，磨合表面变化的分形参数表征是简单有效的。
The surface topography and composition of normal coating and spot were investigated by scanning electron microscope and energy dispersion spectrum.
采用扫描电镜结合能谱的测试方法，对热处理前后含铬绝缘涂层中正常涂层和斑点的表面形貌及成分进行了分析。
How to measure the 3-D surface topography of the micro-specimens quickly and accurately has become a challenge in the field of modern micro-measurement.
如何快速准确检测微观轮廓形貌，已成为现代精密测试技术与仪器研究的重要课题，所研究的并行共焦探测方法是使微小轮廓的快速高精度检测成为可能。
In projected grating method used for measuring 3d surface topography, parameter calibration is the most important factor which affects the measurement precision.
应用投影栅线法在现场检测三维物体的形状时，参数标定是影响测量精度最重要的一个因素。
The research status of surface topography measurement apparatus and characterization methods were introduced, and the development tendency of them was pointed out.
对国内外表面形貌测量仪器、表征方法研究情况进行了阐述，并指出了其发展趋势。
By applying computer simulation technology, influences of above factors on milling vibration and 3d surface topography of workpiece are analyzed quantificationally.
利用计算机仿真技术，定量分析了上述因素对铣削加工振动和工件三维表面形貌的综合影响。
Therefore, it is imperative to provide a non-contact measurement system to measure not only non-continuous surface, but also surface topography and small dimension.
因此，实际生产中急需一种能测量非连续表面、且集表面微观形貌与小尺寸测量于一体的实时非接触测量系统。
The surfaces of diffraction optical element (DOE) are often deep and discontinuous, which lead to some difficulties for measurement of the 3-d surface topography of DOE.
衍射光学元件(DOE)表面形貌的测量需要解决因表面结构深度较大和表面不连续给测量带来的困难。
In the paper, effects of brown oxide process parameters on micro-etch rate, surface topography, surface roughness, binding strength were analyzed through the experiment.
本文分析了棕化工艺参数对微蚀速率、表面形貌 、表面微观粗糙度、结合力的影响 。
In the paper, effects of brown oxide process parameters on micro-etch rate, surface topography, surface roughness, binding strength were analyzed through the experiment.
本文分析了棕化工艺参数对微蚀速率、表面形貌 、表面微观粗糙度、结合力的影响 。
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