The geometrical parameter measurement has been an important part of metrology.

物体三维轮廓测量技术是计量领域的重要研究内容.

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The geometrical parameter measurement is one of the most important research subject of metrology.

物体的三维轮廓测量是现代测试技术的重要研究课题之一.

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Tube's geometrical parameter in an important technical index which scales tube's fatigue life.

油管螺纹的几何尺寸是衡量油管疲劳寿命的一项重要技术指标.

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