奥地利一家公司研制成一种新型电子表，它不仅可以用于计时，还能当钥匙或钱包使用。这种手表适合在旅馆里使用。每名旅客都可获得。手表的电子存储器里储存了打开客房门锁的暗号，只要将手表靠近门锁（手表里装有微型发射机，而锁内装有接收机），客房门就会自动打j于。手表还 A company in Austria has developed a new type of electronic watch that can be used not only for timekeeping but also as a key or wallet. This watch is suitable for use in hotels. Every traveler is available. The electronic memory of the watch stores the code for unlocking the door of the room, so long as the watch is close to the door lock (the watch is equipped with a mini transmitter and the receiver is equipped with a receiver), the door of the room will automatically hit j. Watch also