In a few years, Dr Belcher speculates, it may be possible to build a prototype machine to split water efficiently using sunlight.

贝尔切博士推测在几年内，就有可能建造出一台能够高效利用阳光来分解水的原型工作机。

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To compute the LCS efficiently using dynamic programming, you start by constructing a table in which you build up partial results.

为了用动态编程有效地计算lcs，首先需要构建一个表格，用它保存部分结果。

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The present invention relates to a printing apparatus and a printing method for efficiently using double sides of a transparent medium.

本发明涉及印刷装置及印刷方法，能有效地利用透明媒介物的双面。

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The economy as a whole runs more efficiently by using less oil and producing less pollution.

WHITEHOUSE: President Obama: A New Consensus on Auto Emissions

For example, because we knew exactly how much she was being fed and what she was being fed, we were able to get information about how efficiently she was using that food, how efficiently she was turning it from salmon filets, for example, into new white shark.

NPR: Released Great White Shark Located

But the one we normally talk about is the productivity of labour: how efficiently are we using the labour available to us?

FORBES: Of Course China's Inefficient: That's Why It's Poor