beam evening device

例句：

1. 1.The beam evening device was designed to improve the efficiency of the lighting system.
   这个光束晚间装置被设计用来提高照明系统的工作效率。
2. 2.The beam evening device was installed in the classroom to provide better illumination.
   光束晚间装置被安装在教室里，以提供更好的照明。
3. 3. The beam evening device was used to detect and analyze the radiation patterns of the spacecraft.
   光束晚间装置被用来检测和分析航天器的辐射模式。