帖子
Northwestern University researchers created a drone that is nearly invisible from a distance. It spins quickly in the air, making it hard to spot unless you are searching for it.
1mo
55 赞3 踩6 转发7 评论
?
Northwestern University researchers created a drone that is nearly invisible from a distance. It spins quickly in the air, making it hard to spot unless you are searching for it.
1mo
Northwestern University researchers created a drone that is nearly invisible from a distance. It spins quickly in the air, making it hard to spot unless you are searching for it.
1mo
还没有评论。来抢沙发吧！
评论
还没有评论。来抢沙发吧！