For example, the general system loop for a steam autoclave under computer control could consist of temperature/pressure sensors connected to a microprocessor which transmits commands to steam/vacuum control valves.

• 例如，计算机控制的蒸汽高压灭菌器的常规系统回路包括，连接到微处理器的温度/压力传感器，来把命令传递给蒸汽/真空控制阀。