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Time or time
When people enter a room which is enclosed by four walls with a clock on one of them, in order to read the time accurately, it is necessary to keep a distance and correct relative position in front of the clock.
The idea is derived from the issue discussed above: Placing a time projector somewhere at the intersection of the walls based on their special relative position, then project the time at the opposite walls of the two intersected walls.
Through this improvement, people can read time correctly anywhere in the room.
XI`AN UNIVERSITY OF SCIENCE AND TEC
XI`AN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Guanjie Wang ,
XI`AN TECHNOLOGY UNIVERSITY