...键词：数字水准仪；编码规则；自动读数原理 [gap=1071]Key words: digital level; encoding rules; automatic reading principle ...
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The structural principle, features, function and application of the processing system for automatic gas and water meter-reading at the same time are introduced.
介绍水、煤气表合抄自动处理系统的结构原理、特点、功能和应用。
In research of ARM7 LPC2148, this thesis mainly describes the hardware design and working principle of the portable automatic meter reading device based on ARM7 LPC2148.
通过对ARM7 LPC 2148和通信接口的研究，介绍一种基于ARM7 LPC 2148的便携式智能抄表器的硬件设计及工作原理。
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