Absolute measurement and foundation of standard optical surface.
标准光学面形的建立与绝对检验。
Therefore, optical scanning method has become optical surface and surface damage detection technology.
因而，光学扫描办法已成为光学外表亚表层毁伤检测手艺研讨的重点。
Therefore, optical scanning method has become optical surface and surface damage detection technology.
因而，光学扫描办法已成为光学外表亚表层毁伤检测手艺研讨的重点。
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