讨论数字光电量测系统原理和技术，基于此技术的智能集成开关设备系统和控制与保护集成的自动化系统结构。
Based on the principle and technology of digital electro-optical measurement, the intelligent integrated switchgear system and control as well as protection combined automation system are discussed.
本电参数测试仪通过AT 89 C51单片机作为核心的控制元件，由模拟开关hcf 4051构成自动量程数字万用表。
Abstrct: the electrical parameters Tester through AT89C51 SCM as a core element of control by the analog switch HCF4051 constitute a range digital multimeter.
系统的分区控制和分区接收：我公司采用目前最先进的数字编码，遥控音箱自动开关机、确保准确无误。
The system is zone control and zone receiving. Our company is using the present most advanced digital coding, remote control voice box automatic switch, to insure accurate.
系统的分区控制和分区接收：我公司采用目前最先进的数字编码，遥控音箱自动开关机、确保准确无误。
The system is zone control and zone receiving. Our company is using the present most advanced digital coding, remote control voice box automatic switch, to insure accurate.
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