【摘要】 本文介绍了以单片机为主构成的自动变比测试仪对该仪器的结构组成框图，硬软件的设计做了比较详细的介绍。更多还原

【Abstract】 This paper introduces an auto-measuring-transformer ratio instrument we designed based on single chip microcomputer. The main focus of the paper is on expatiating the structural architrave of the instrument and the designing of software and hardware.更多还原