投影沙盘

投影沙盘是利用投影机将计算机技术制作好的三维图像投射到物理沙盘的模型上，再加上声光电的配合，营造出一种形象逼真的沙盘模式。

Projection sandbox is a kind of sandbox mode which uses projector to project the three-dimensional image made by computer technology to the model of physical sandbox, combined with sound and photoelectricity.