Messenger's analysis of the surface rock, and of the gravity profile of the core, could help explain.
信使号对岩石层以及核心万有引力的描述和分析或许可以帮助解释。
PROFILE: The true picture of a surface in relation to a horizontal line; a contour of a designated surface of a cup, cone, or roller.
型面轮廓：与水平线相比表面的实际轮廓线；实际设计的外圈，内圈或滚子的轮廓线。
The "Extrude along path" technique is a very powerful modelling tool. It consists of creating a surface by sweeping a given profile along a given path.
路径挤压’技术是一个非常强大的建模工具。它通过由给定的轮廓线沿着指定的路径伸展，就能创建一个面。
The mathematical models of surface profile as well as dividing the instrument error and the measurement interference are established.
本文还建立了表面轮廓和分离表面轮廓测量干扰及仪器误差的数学模型。
Based on the analysis of the characteristic of machined surface profile, the necessity to eliminate errors' influence on the measurement of surface profile parameters was explained.
通过对机械加工表面轮廓特征的分析，说明了在表面轮廓参数测量中，消除各种误差影响的必要性。
The random profile graph experiment has demonstrated the waveform measured by the piezoelectric pickup that can really reproduce the profile of roughness surface.
随机轮廓图形实验，验证了压电传感器测得的波形能真实地复现表面特征的实际轮廓。
The principle of the new method is based on the phenomenon of light modulated by surface profile.
对光学针描法的理论基础， 如表面轮廓调制原理和光耦合区理论进行了较为深入的分析。
Takes the screw type compressor rotor as an example, a calculating method of unknown section profile of spiral surface and its conjugate shape is introduced and practical formulas are given.
以螺杆压缩机转子为例，介绍了未知螺旋面端截面轮廓及其啮合的共轭齿形求法，给出了实用计算公式。
Profile error of complex surface was common and difficult to be measured and evaluated.
复杂曲面的面轮廓度是一个应用广泛而又难于测量和评定的问题。
Their surface profile closely matches the raceway profile of the outer and inner rings.
它们的表面轮廓最接近内外圈滚道。
The new tooth surface can be prolonged by the normal profile of the internal toroidal surface, or replaced by an equal pitch helical surface.
其二为一种修整的线接触，展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。
Adaptive sampling algorithm of surface play an important role in evaluation of profile deviation and surface triangular approximation.
曲面轮廓度误差评价和多边域逼近均要求对理论曲面进行数字化自适应采样。
High energy, high resolution optical system put forward new demand for traditional analysis of surface profile.
高能量、高分辨力光学系统给传统的光学面形评价指标提出了新的要求。
The definition of surface profile tolerance and the different measure method of surface profile tolerance error are introduced in this paper.
介绍了面轮廓度公差的定义及面轮廓度误差的各种测量方法。
This paper describes accurate surface profile measurement of an aspherical lens on an ultra-precision grinding machine using the error separation technique.
描述了一种在超精密磨削机床上基于误差分离法的非球面表面形状精密测量系统。
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。
This paper introduces some key technologies in the field of manufacture about reverse engineering, such as technology of profile modeling, figuration manufacture and surface reproduction.
说明和分析了反求工程在制造领域中的几个关键技术：仿形测量技术、成形制造技术和表面再现技术。
In optics polishing process, the active lap can reshape the profile for fitting the surface of large optical component with different local position and rotating Angle in real time.
能动磨盘在光学抛光时随磨盘移动位置和旋转角度不同而产生不同的变形以实时与大口径被抛光工件表面实现良好的吻合。
Nonlinear distortion caused by diffraction in the lithography process has severely affected the quality of surface profile, which is the main reason for pattern distortion in lithography.
光刻过程中由于光的衍射效应产生的非线性畸变对光刻面形质量具有严重影响，是造成光刻微结构图形失真的主要原因之一。
During ausform finishing process of hardened gears, there is plastic displacement of metal on the tooth surface and the distortion of tooth profile.
在齿轮热滚挤加工中，轮齿上的金属在强制挤压力的作用下沿齿面产生塑性流动，使齿形发生变化。
The vibration characteristics of external plunge grinding and the ground surface profile error are investigated through experiments analysis.
在实验的基础上，对磨削过程振动特征以及由此产生的磨削表面形貌误差进行研究。
The methods for selecting penta prism and reducing the effect of surface profile error on detection are introduced.
介绍了选择五棱镜的方法和减小面形误差影响的方法。
Through developing experiment of typical engineering curved surface, main factors of manufactured developing profile board have been quantitatively researched.
通过对典型工程曲面的展开试验，定量地研究了制成展开样板误差的主要因素。
The distributions of surface height, surface asperity and valley number of various sedan steel plates were analyzed by correlating the surface profile features with the tribological behavior.
通过对典型轿车钢板表面形貌的分析，以形貌与其摩擦学性能的关系为出发点，对粗糙表面、粗糙峰和粗糙谷的分布特性进行了统计分析。
This paper describes the establishing process of the equation of working profile curved surface of worm CAM mechanism, the calculation of its pressure Angle and normal curvature.
介绍了圆锥滚子蜗杆凸轮机构的轮廓曲面方程的建立、压力角和啮合曲面法曲率的计算过程。
Surface properties such as profile and crystal phase of bent silicon samples by long laser pulses were analyzed.
对长脉宽脉冲激光弯曲后的硅片试件进行了表面形貌以及晶相等特性分析。
The on-line measure of roll profile is the measure to the surface profile of roll under the condition that mill operates normally.
辊型在线检测是指在轧机正常运转的情况下，对轧辊的表面形状进行检测。
The on-line measure of roll profile is the measure to the surface profile of roll under the condition that mill operates normally.
辊型在线检测是指在轧机正常运转的情况下，对轧辊的表面形状进行检测。
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