The Planetary Society would be taking baby steps to build and fly a series of solar-sail spacecraft.

行星协会将进行初期的实验，建造并试飞一系列这样的光帆飞船。

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Energiya, the Russian company that helps build and fly Moscow's spaceships, will build the equipment necessary for the round-the-moon mission.

协助制造并放飞多艘莫斯科太空飞船的俄罗斯艾尼及亚火箭与空间公司将为绕月飞行制造必需的设备。

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The personnel moves come as the effort to build and fly a prototype, unmanned jet combat aircraft from an aircraft carrier has fallen months behind schedule.

人事的变动是为了创建和飞行从航空母舰起飞的无人喷气战斗机原型作出努力，该机的起飞已经落后于预定时间表两个月。

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We have a lot of freedom to build and design airplanes for our own use and build them and fly them."

VOA: special.2010.07.30

There are actually brave souls around the world who build and fly their own jetpacks, most notably Yves Rossy, a Swiss pilot who created a flying wing powered by four small turbofan engines.

WSJ: Jetlev R200 Jetpack: Personal Flight, Beyond Bond

These let you bring your own audio into your set, trigger samples and build beats and jams on the fly -- much more suitable to a digital device such as this.

ENGADGET: PDJ Portable Disc Jockey is a complete DJ system that fits in your pocket, we go hands-on (video)

It would be akin to spending billions to research and build a new fighter jet and then realizing that we have no fuel to fly it.

WHITEHOUSE: Bringing Practical Biomass Energy to Rural Communities