According to a transfer approach of music score and PLC program, an auto-play system of electronic organ based on PLC was designed.
通过一种乐谱与PLC程序的转换方法，设计了基于PLC的电子琴自动演奏系统。
SOC system can not only avoid the overcharge or overdischarge of battery, but also play as a important role as auto gas instrument.
电池剩余电量估计系统不仅能够防止电池过放电或过充，而且对于电动汽车行使过程中起到了汽车汽油表的重要作用。
The paper introduces the main technology of Hard Disk Auto Play System, analyses the key technology of Hard Disk in that Sys- tem.
本文介绍了电视台硬盘自动播出系统主要技术，分析研究了其中的硬盘的关键技术。
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