A fuel cell is a new energy conversion device.

燃料电池是一种新型的能量转换装置。

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It was a sort of do with mechanical energy translate hydraulic energy 'energy conversion device.

它是一种把机械能转变为液压能的能量转换装置。

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A key to the improved throughput was reducing the separation between the hot surface and the conversion device.

这种改进型处理能力的关键是降低了热表面与转换装置之间的间隔。

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Good news for upper-bracket investors: beginning in 2010, a magnificent tax-planning device known as the Roth conversion will be available to savers in all income groups.

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Sandwiching the solar cells inside the device would block some light out and knock down power conversion efficiency even further, Filler cautioned.

FORBES: Magazine Article