The third component is a digital light projection system underneath the reservoir, illuminating with light in the ultraviolet region.

第三部分是数字光投影系统，位于容器的下方，可提供紫外光区域的照明。

It's just the video projection system, but it isn't actually a computer.

它只是视频投影系统，但它实际上并不是一台计算机。

Investigators also found a projection system, phone lines, and a professionally installed power line, and even another room set up as a bar or restaurant.

调查人员还发现了投影系统、电话线和专业安装的电源线， 甚至还有另一个房间被设置为酒吧或餐厅。