例句與造句

1. Kostenko compared the new system with the unified air defense system in the United States and Canada.
2. Russia's Air Force launched a command post exercise of the Commonwealth of Independent States'Unified Air Defense System on Wednesday, Interfax reported.
3. In order to cover the holes in the air defense system, it is necessary to create joint and not just formally unified air defense forces,
4. Although the U . S . had developed pulsed radar independently of the British, there were serious weaknesses in America's efforts, especially the lack of integration of radar into a unified air defense system.
5. It's difficult to find unified air defense in a sentence. 用unified air defense造句挺難的