例句與造句

1. Passive detection system have high concealing and survival ability , due to not emitting electromagnetic wave . ln recent years , many new techniques have been developed , among which multi - based passive detection has gotten great attentions coming from all over the world
   由于被動探測系統(tǒng)本身不發(fā)射電磁波，完全是被動工作方式，所以近年來，多站無源探測工作方式日益受到各國的廣泛重視。
2. It's difficult to find passive detection system in a sentence. 用passive detection system造句挺難的