波音官员称，HEL TD计划的目标是证明移动、固态激光武器系统能够有效对抗火箭、火炮和迫击炮的弹射装置。
The objective of the HEL TD program is to demonstrate that a mobile, solid-state laser weapon system can effectively counter rocket, artillery, and mortar projectiles, Boeing officials say.
电子收费系统主要由射频读卡器、激光车型传感器、逃费抓拍装置和车道控制器组成。
The ETC mainly consists of RF reader, laser calssification sensors, video enforcement systems and lane controller.
采用双光路激光系统，对清洗液的相对浓度进行了连续测量，给出了测定原理和实验装置。
The principle and an experiment device are introduced by which the measurement of the relative concentration of lotion is carried out continuously with the double beam system of laser.
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