1 . homing pigeon

homilist 怖道者homing pigeon 传信鸽- 基于25个网页

2 . carrier pigeon

carrier detect 载波检测carrier pigeon 传信鸽carrier plane 舰载飞机

3 . pigeon

载波检测pigeon 传信鸽plane 舰载飞机

4 . carrier-pigeon

carrier-mediated 载体介导, carrier-pigeon 传信鸽, carrier-phase 载波相位