They are used for everything from ordering a pizza to running hospitals and military defense systems.

从订购比萨饼到管理医院及军事防御系统，计算机的使用范围广及各个层面。

youdao

Raytheon and Lockheed Martin jointly are seeking a Turkish contract worth ＄1 billion to ＄2 billion for the country's first anti-missile air defense systems.

雷声公司和洛克希德·马丁公司为国家第一个反导弹防空系统共同寻求该价值10亿至20亿美元的土耳其合同。

youdao

This is also a given, in my opinion. But I have firsthand witnessed relationships in which phones are private property, locked and guarded with military-like defense systems.

但我也亲眼见过一些处在恋爱关系中的人把手机当作私人财产，给手机上锁并像军事戒备那样对窥视者严加防范。

youdao

The researchers found that PQQ is important in the reproductive and defense systems of mice.

VOA: special.2009.04.21

U.S.government and military officials are working on better cyber-defense systems and trying to coordinate efforts.

VOA: standard.2009.08.11

"The reductions in this treaty will not affect the strength of our nuclear triad, nor does this treaty limit plans to protect the U.S.and our allies by improving and deploying missile defense systems."

VOA: standard.2010.03.26

Russia also reportedly has sold six S-300 air defense systems to Syria under a 2010 contract.

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Defense Secretary Donald Rumsfeld ordered air defense systems around Washington armed with anti-aircraft missiles Tuesday.

CNN: U.S. at 'high alert' on anniversary of 9/11

When President Obama campaigned last year, he said that he supported missile defense systems that work.

CENTERFORSECURITYPOLICY: Missile defense funds need support