two-circuit prepayment meter 双路预付电度计
single rate prepayment meter 单率预付费用电表
two-part step-rate prepayment meter [电] 两部阶跃预付电度计
load rate prepayment meter 根据负荷率预付电费电表
two-part prepayment meter [电] 两部预付电度计 ; 两部预付两度计
two-rate two-part prepayment meter [电] 双价率两部电度预付计
step-rate prepayment meter 分级预付电度计
rate prepayment meter 分级预付电度计
keypad prepayment meter 按键式预付费
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This paper discusses the error of Mechanical-electronic prepayment meter, its calculation, testing and adjusting method.
讨论机电式预付费电能表的误差计算、测定和调整方法。
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.
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。
The research of this part will make the reference to the second part for IC card sampling in the smart card prepayment gas meter application system hardware design.
本部分的研究也同时为第二部分基于智能卡的预付费煤气表应用系统的硬件设计中IC卡的选型提供了参考依据。
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