But plans are afoot to make a low-power glider that can prowl the oceans for up to5 years.

但人们在计划制造一种低电量滑翔机，能在海中潜行五年时间。

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When a kite needs to be reeled in, it is angled so that it falls out of the sky like a glider, without the need for much power.

当风筝要卷缩回初始位置，转动风筝倾角，风筝就可像滑翔机一样下落，不需要花什么力气。

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As darkness falls over Europe, Borschberg will slowly descend to about 5,000 feet, essentially using the plane as a glider before reverting to battery power.

当欧洲的黑夜降临的时候，Borschberg会漫漫让飞机下降到5千英尺的高度，事实上，就是在动力切换为电池供能前，将飞机当作滑翔机使用。

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With that computational power and the ability to tirelessly swim across vast oceans, the Wave Glider SV3 represents a big step forward in the state-of-the-art of unmanned monitoring and exploration.

ENGADGET: Wave Glider sea robot gets a new version, replete with more power and gear