Over the last five years, Boeing, the U. S. Air Force and Navy, Honeywell UOP and others have systematically tested and advanced the alternative fuel.

在过去的五年里，波音公司，美空军、海军，霍尼韦尔环球石油公司等都已经系统性的测试并完善了这些新能源。

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Before specific solutions can be tested, NASA must first collect data on how the rotor blades interact with air under a variety of operating conditions.

在测试特定的方案以前，NASA必须首先搜集在不同的运行条件下桨叶与空气如何相互作用的数据。

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Researchers at the University of Colorado tested 45 showers in five states as part of a larger study of the microbiology of air and water in homes, schools and public buildings.

科罗拉多大学研究人员测试了5个州的45个浴室，这是在居室、学校和公共建筑中空气和水的微生物学更大研究的一部分。

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Pilots tested and demonstrated their skills in air shows.

VOA: special.2010.05.26

The MOAB received international attention before the war when the U.S. Air Force tested it at Eglin Air Force Base, Florida, in March.

CNN: MOAB bomb moved to Iraq war region

In 2010, the Air Force tested employees at Andersen Air Force Base in Guam with an irresistible offer: the chance to work on a nearby shoot for a "Transformers 3" movie.

WSJ: You Won't Believe How Adorable This Kitty Is! Click for More!

The Air Force reportedly tested a number of top secret military jets, including the Stealth fighter, at this facility.

CNN: The Internet: the final frontier for space watchers