That was the first step in a larger five-year project to install up to 250 megawatts of solar power across its 50, 000-square-mile service area.

这只是计划的第一步，更大的五年计划是在50 000平方英里的服务区内安装高达250兆瓦的太阳能发电。

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Now that you are ready to build your own robot, visit my The $50 Robot Tutorial for step-by-step instructions!

既然你已经准备好制作你自己的机器人了，访问我的50美元制作机器人的教程按照说明一步一步来做。

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We comment on a few factors that have helped Sohu recover its valuation, but take a conservative step here after Sohu shares have rallied nearly 50% from their lows.

我们对几个有助于搜狐恢复市值的因素做出了评价，但是搜狐股价从低位上涨近50%后，我们给出了保守的评级。

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Illness forced the elder Castro to step down after nearly 50 years in power.

CNN: Cuban President Raul Castro says he'll leave in 2018

The memorial site features a stone inscribed with words from the president's inaugural address in 1961, a 50-step pathway, hawthorn tree and American Scarlet Oak.

BBC: John F Kennedy death: Surrey memorial ceremony planned

Now, two weeks from today, Americans in all 50 states will step into the voting booth.

WHITEHOUSE: The White House