Experts know that portable devices emit radiation which affects those wavelengths which aircraft use for navigation and communic

admin2008-11-13  30

问题 Experts know that portable devices emit radiation which affects those wavelengths which aircraft use for navigation and communication.

选项

答案专家们知道这些便携电器设备发出的辐射会影响飞机上的导航和通信系统的波长。

解析
转载请注明原文地址:https://jikaoti.com/ti/rpBYFFFM
0

随机试题
最新回复(0)