针对现有电度表存在的缺点，提出了利用8031单片机研制新型电子式预付费电度表的方案。

For the default of the watthour meter at present, a new solution by using the 8031 single-chip microcomputer to develope a model of electronic prepayment watthour meter is introduced in this paper.

youdao

介绍了全电子式智能卡预付费电度表的工作原理、结构及技术特性，通过实例分析了使用它所带来的经济效益。

This text introduce the working principle, structure and technicality features of one-phase full -electronic pre-payment brain card meter, analysised its economic benefits through use it.

youdao

介绍了全电子式智能卡预付费电度表的工作原理、结构及技术特性，通过实例分析了使用它所带来的经济效益。

This text introduce the working principle, structure and technicality features of one-phase full -electronic pre-payment brain card meter, analysised its economic benefits through use it.

youdao