英语翻译A sensor is a device which produces a signal in response

英语翻译
A sensor is a device which produces a signal in response to its detecting or measuring a property,such as position,force,torque,pressure,temperature,humidity,speed,acceleration,or vibration,Traditionally,sensors (such as actuators and switches) have been used to set limits on the performance of machines.Common examples are (a) stops on machine tools to restrict work table movements,(b) pressure and temperature gages with automatics shut-off features,and (c) governors on engines to prevent excessive speed of operation.Sensor technology has become an important aspect of manufacturing processes and systems.It is essential for proper date acquisition and for the monitoring,communication,and computer control of machines and systems