液晶投影
Liquid crystal display projection
LCD projector
图形投影显示
graphic projection disply
透视式头盔投影显示器
see-through head-mounted projective display
投影显示技术
projection display technique
project display
technology of projection display
头盔投影显示器
Head-mounted projective display
数字投影显示系统
digital projection display system
光学修正投影显示器
optidress projector scope
光学修整投影显示器
optidress projector scope
液晶投影仪上面板
upper panel of LCD projector