A cell phone signal falling to Earth from a phone aboard a plane encounters no significant obstacles to slow it down, so its strong enough to reach the ground and find a network on its particular frequency.
A cell phone signal falling to Earth from a phone aboard a plane encounters no significant obstacles to slow it down, so its strong enough to reach the ground and find a network on its particular frequency.
通讯委员会相信，飞机上手机打向地面电话的信号几乎不会遇到令其衰减的障碍，因此这种信号会非常的强，它能够份轻松的抵达地面，找到自己的频率。