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本文介绍一种椭圆齿轮流量计的组成和设计，该定值仪是一种采用单片机作为控制核心，与输出电信号的流量计配套，进行流量定量控制的智能化仪表。
This paper introduces the composition and design of an oval gear flowmeter. The calibrator is a kind of intelligent instrument which adopts SCM as the control core and is matched with the flowmeter which outputs the electrical signal.