The movies require special projection systems that generally cost about $80, 000 each to install.
这种电影需要特殊的放映系统，每个的安装总成本约为8万美元。
But Siqueiros, using spray guns, blowtorches and projection systems, turned an entire cement facade into an outdoor mural.
但是Siqueiros采用了喷枪、焊枪和投影系统，把整个水泥外墙变成一幅室外壁画。
Widely used in digital televisions , monitors , multimedia classrooms and projection systems.
广泛用于数码电视、显示器、多媒体教室以及投影系统当中。
Owing to the increased color dispersion, this bisector effect is more suitable for projection systems than for direct-view displays.
由于色散的增加，等分角效应对于投影系统比对于直视型显示器更为合适。
Owing to the increased color dispersion, this bisector effect is more suitable for projection systems than for direct-view displays.
由于色散的增加，等分角效应对于投影系统比对于直视型显示器更为合适。
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