（ ） is a computer technology that headsets ， sometimes in combination With physical spaces or multi — projected environments ， to generate realisitic images ， sounds and other sensations that simu l ate a user's physical presence in a virtual or imaginary environment 。
- A.virtual reality
- B.Cloud computing
- C.Big data
- D.Internet+
正确答案及解析
正确答案
A
解析
暂无解析
