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Surface roughness measurement has always been an important research subject in many engineering fields.
在许多工程领域中，表面粗糙度测量一直是一个重要的研究课题。
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Centering on this subject, research is started in many fields.
围绕这一论题，在众多领域展开了研究。
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Centering on this subject, research is started in many fields.
围绕这一论题，在众多领域展开了研究。
youdao