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 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。
Curvatures of theoretical profile surface, which is a ruled surface, are easy to get.
由于理论廓面是直纹面，其廓面曲率容易求得。
Large diameter of milling knives, high speed milling, good quality milling profile surface.
刀具直径大，切割速度高，加工面质量好。
Profile of a surface locates the surfaces in addition to controlling the angularity.
面轮廓度不仅能控制斜面的位置，而且能控制面的倾斜度。
Profile of a surface locates the surfaces in addition to controlling the angularity.
面轮廓度不仅能控制斜面的位置，而且能控制面的倾斜度。
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