原级：projector
1. He and his fellows tried different lights and projectors in 2007, then started to experiment with lighting and projection in the stadium in February.
2. Decorated by aluminum alloy and equipped with modern appliances such as projectors, the classrooms are just like the ones in big cities.
3. Google meeting rooms have silent projectors built in to the ceilings to avoid the hassle and time of setting them up.
4. In order to enrich the lives of people life in rural areas of the city, Zaozhuang has invested over 300 thousand yuan to purchase the digital film projectors.
5. The 35 mm film itself had shrunk and the sprocket holes used on projectors were shredded.
6. Some of the reading rooms have been equipped with film projectors, the document said.
7. Zhang Xiping has collected old film reels, cinema projectors and all kinds of things related to films.
8. In some cases, schoolteachers had to give up using overhead projectors.
9. But Nikon this time is offering a breakthrough, combining digital cameras and projectors.
10. The accommodation fee is RMB 100 per person per day which includes DVD players, microphones and projectors.