总结一下，我们必须定义仪表量程的最大值和最小值。
To summarize, we must specify a low and a high value to define the range of an instrument.
过载：当压差超过仪表量程时，隔膜壳的尺寸使得隔膜的运动停止。
Overload: Dimension of the diaphragm housing is such that the movement of the diaphragm is stopped when the pressure difference exceeds full scale.
本文中设计的智能涡街流量计采用硬件和软件相结合的方案来扩大仪表量程下限。
The intelligent Vortex Flowmeter introduced in this paper expands the low limitation through hardware combining with software.
在指针式仪表自动判读系统中，首先需要对要判读的表盘图象与模板之间进行匹配，以确定所要判读的仪表类型与量程。
In automatic reading system of index-instrument, image of dial plate needed be read must match template in order to decide type and range of instrument needed be read.
该电路通过对被测电压的判断和量程选择器的控制，实现了在高精度仪表中量程的自动选择。
The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.
该电路通过对被测电压的判断和量程选择器的控制，实现了在高精度仪表中量程的自动选择。
The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.
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