This thesis also do a research on air-to-ground attack.
本文还对空对地攻击进行了研究。
Like many countries China deploys ground-based air-defenses to protect against sudden air attack.
和许多的其它国家一样中国部署了地基的防空系统来抵御来自空中的突击。
Like many countries China deploys ground-based air-defenses to protect against sudden air attack.
和许多的其它国家一样中国部署了地基的防空系统来抵御来自空中的突击。
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