同学们都知道 ,隐形战机是一种雷达“看不见”的飞机 ,因为它大量采有了具有吸收电磁波功能的材料和涂料 ,在屏幕上显现的只是像飞鸟那样的一个小黑点。那么 ,有没有办法能“看见”它呢 ?有 ,现在很多国家都已经开始了这方面的研究。一般来讲 ,反隐形技术都是利用向空中发射电 As the classmates know, the stealth fighter is a radar “invisible” because it has a large number of materials and paints that absorb electromagnetic waves. It appears on the screen only as a small black spot like a bird. So, is there any way to “see” it? Yes, many countries have already begun research in this area. In general, anti-stealth techniques use electricity to the air