Moreover, it's expensive to keep a tidal power station in its best condition.

此外，让潮汐能电站维持在最佳状态的成本很高。

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This is the next-to-last shuttle mission and the final spacewalks of the program scheduled, meant to leave the space station in the best condition possible for the next decade.

这是航天飞机组员们的倒数第二个任务，也是计划中的最后一次太空行走。这次任务意味着空间站将在未来的十年中保持在最佳状态。

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Direct communication in mobile peer-to-peer process, the phone can still stay connected with the base station so that it knows the phone is in working condition.

手机在进行点对点直接通信的过程中，仍然可以与基站保持连接，让它知道手机处于工作状态。

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The firm has also committed to improvements to station condition and operational performance.

BBC: England

Structural engineers are also visiting the garage in a bid to assess the building's condition and the petrol station is closed.

BBC: Digger used for Chigwell Shell garage cash machine raid

But by mid-2009, Yarrow told a Washington radio station that the singer's condition had worsened again and thought she would no longer be able to perform.

BBC: US folk singer Mary Travers dies