【摘要】 本文研制的智能测试仪能直接读出金属表面所镀介质膜的厚度，文中介绍了测量原理和仪器结构更多还原

【Abstract】 This paper introduces a smart tester which can display the thickness of dielectric film coated on metal surface. The operation principle and structure of the instrument are described in this paper.更多还原