求翻译：模拟量，如电流、电压、温度、压力等等，它的大小是连续变化的。产业生产，特别是连续型生产过程，常要对这些物理量进行控制。是什么意思？

Analog, such as current, voltage, temperature, pressure, etc., it is the size of continuous change. Industrial production, especially the continuous production process, often to control these physical quantities.

Analog, such as current, voltage, temperature, pressure, and so on, it is the size of the continuous change. Industrial production, in particular, continuous production process, and often to the physical volume control.

The simulation quantity, like electric current, voltage, temperature, pressure and so on, its sizes are change continuously.The industrial production, specially the continual production process, Chang Yao carries on the control to these physical quantities.

Analog, such as current, voltage, temperature, pressure, and so on, its size is continuously changing. Industrial production, especially the continuous production process, often to gain control over the physical quantity.

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