雷达是集中了现代电子科学技术各种成就的高科技系统。

Radar system is a hi-tech system which concentrates many kinds of modern electronic science and technology achievements.

youdao

雷达是集中了现代电子科学技术各种成就的高科技系统。

Radar system is a hi-tech system which concentrates many kinds of modern electronic science and technology achievements.

youdao