THE Pelican, a small, remotely controlled helicopter drone weighing less than a kilogram, is powered by a battery that provides about 20 minutes’ flying.

Pelican 是一种重量不到一公斤，依靠电池供电可以飞行二十分钟的遥控直升机。

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Last month, it announced a successful test of a solar-powered drone, or unmanned aircraft.

上个月，该公司宣布一架太阳能动力的无人机成功测试。

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Its newest acquisition, the 20-employee, new Mexico-based company Titan Aerospace, plans to manufacture a larger version of its successful solar-powered drone Solara.

谷歌最近收购了新墨西哥州的泰坦航空航天公司。它有20名雇员，计划制造一款放大版的成功之作-太阳能动力无人机索拉拉。

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He has people working to develop a drone the size of a hummingbird and others working on an electric generator powered by ocean waves.

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