From this point of view these flat Spaces around us turn out to be one possible source of dark energy for the accelerating expansion of the Universe.

从这个角度看，我们周围的这些平面空间可能是暗能量的一个来源，而正是它让宇宙加速膨胀。

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The gas (petrol) tax, the main source of revenue for transport, has remained flat since 1993.

天然气(燃油)税收作为交通经费的主要来源自1993年以来就处于地位运行且表现平平。

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Using the flat presentation view of the Data Source ExplorerFlat presentation icon, navigate to the Tables folder.

使用Data Source Explorer的平面表示视图平面表示图标导航到Tables文件夹。

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With consumption declining and investment flat, net exports are the only private sector source of support for the economy.

FORBES: Magazine Article