可以生成128条黑板颜色的结构光条纹，其中每个黑条纹的宽度是白条纹宽度的三倍。-Blackboard 128 can generate the color structured light stripe, the width of each black stripe is three times the width of the white stripe.

可以生成128条黑板颜色的结构光条纹，其中每个黑条纹的宽度是白条纹宽度的三倍。-Blackboard 128 can generate the color structured light stripe, the width of each black stripe is three times the width of the white stripe.

自动选票记录程序 不用在黑板上划正字了 有投影机最好用这个(Automatic record vote procedure Need not draw on the blackboard the CNS Have had better use the projector)

1、 绘制出的教室里的基本物体：黑板、讲台、投影仪、空调、门窗、音响、九张桌子、九张凳子等。虚拟教室整体看上去接近真实生活中的教室。(Drawing out the basic objects in the classroom: blackboard, platform, projector, air-conditioning, doors and windows, audio, nine tables, nine stools and so on. The virtual classroom