electromagnetic penetration

例句：

1. 1.The new technology can penetrate through the walls and detect hidden objects.
   这项新技术可以穿透墙壁，探测隐藏的物品。
2. 2. The scientist used an electromagnetic penetration device to study the behavior of the animal.
   科学家使用一种电磁穿透设备来研究动物的行为。
3. 3.The researchers found that the electromagnetic penetration could be used to improve the security of communication systems.
   研究人员发现，电磁穿透可以用来提高通信系统的安全性能。