船舶无线电区域广播站 ship broadcast-area radio station
下一代的空中交通管制系统将会在一个指定区域中使用全球定位系统和无线电应答器来警告所有飞机关于其他飞机的位置。那么这个系统能做到吗？
What about the next generation of air-traffic control systems that promise to use GPS satellites and radio transponders to warn all aircraft in a given area about the presence of others?
部分回击策略包括，在肯尼亚南部接近坦桑尼亚边界的安博·塞利区域，跟踪安装了无线电辊环的狮子。
Part of the fight-back will include tracking lions fitted with radio collars in the Amboseli area in southern Kenya, close to the border with Tanzania.
无线电频率识别（RFID）门锁： 被用于酒店房间或者酒店各个区域，这种趋势无论在酒店业还是在全世界都逐渐流行。
RFID (Radio Frequency Identification) door lock for keyless entry to a hotel room and other areas of the hotel is becoming more popular in hotels across the world.
应用推荐