传感器和传感器系统 Sensors and sensors systems
流量传感器流速传感器 flow transducer ; transducer
传感器与传感器网络 Sensor and Wireless Sensor Networks
传感器记录下每个动作，然后通过脚踝传感器发送到智能手机上。
Sensors record each movement and send it by an ankle transmitter to a smart phone.
飞行员可以在战区上空飞行，在地面上扔下数千个小型无线传感器，每个传感器只有一块小鹅卵石大小，价格为1美元。
Pilots can fly above a war zone and drop thousands of small wireless sensors, the size of a small pebble and costing a dollar apiece, over the terrain.
研究人员认为，他们可以把传感器安装在纸盒上，然后超市就可以用便携式设备扫描传感器，查看里面的水果的成熟程度。
The researchers think that they can attach the sensors to cardboard boxes, and then supermarkets can scan the sensors with a portable device to see how ripe the fruit inside is.
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