The police department has installed an extensive camera system, licence-plate readers and air monitors.
警察局已经安装了一套全面的摄像系统，车牌阅读器和空气监测器。
2
He saw the shooting and memorized the licenceplate of the assassin's car.
他目睹了那起枪击事件并且记住了杀手的车牌。
《柯林斯英汉双解大词典》
3
The MX-15, an imaging device made by L-3 WESCAM, a Canadian company, allows a pilot to read a vehicle’s licenceplate from a distance of 10km (6.2 miles).