Though the system was built mostly to make car travel easier, defense was not forgotten.

虽然该系统的建立主要是为了让汽车旅行更方便，但并没有漏掉安装防御系统。

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And, though the system was built mostly to make car travel easier, defense was not forgotten.

而且，尽管该系统主要是为了方便汽车旅行而设计的，但并没有漏掉防御系统。

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In those years, just after World War I, the military wanted to build an American highway system for national defense.

在第一次世界大战后的那些年里，军方希望为国防建设一个美国公路系统。

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He says that would reduce the need for an American missile-defense system proposed for the Czech Republic and Poland.

VOA: special.2009.03.07

In two thousand six, Defense Secretary Robert Gates advised President George W.Bush to base a missile defense system in Europe.

VOA: special.2009.09.19

They found that TGF-beta helps to heal wounds and is important in the body's defense system against disease.

VOA: special.2009.01.27

On those occasions, the Gates plan would have Marines moving ashore in vehicles much less survivable than the system the defense secretary wants to cancel.

FORBES: Gates Challenges Marine Corps' Mission

And some say if we build such a system, the Soviets will build a defense system of their own.

CNN: State of the Union Address

That is the site in Moorestown, New Jersey where the Navy tests the radars for its Aegis combat system, the most capable air- and missile-defense system in the world.

FORBES: Road From D.C. To Cape Cod Reveals Reach Of Defense Industry