Today, thanks to the improvement on the quality (质量) of the batteries, electric bicycles sell much better.

如今，由于电池质量的提高，电动自行车更好卖了。

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After college, the Western Electric Company put him to work on mathematical methods of quality control.

大学毕业后，西方电气公司安排他从事有关质量控制数学方法的工作。

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He left Western Electric to become a freelance consultant on quality control.

他离开了西部电气公司，成了一名自由职业者，为质量控制咨询。

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This is the story of how one man combined LEDs with solar energy technology to bring high-quality, low-cost electric light to poor people around the world.

VOA: standard.2009.12.13

U.S. car companies have figured out, you know what, if we produce high-quality electric vehicles, if we produce high-quality low gas -- or high gas mileage vehicles, those will sell.

WHITEHOUSE: Twitter Town Hall

The availability of affordable, reliable and high-quality electric power has begun to challenge these conventional considerations in a circuitous way.

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The bottom line is that electricity supplied by the power grid is increasingly incapable of providing the quality of electric service needed to operate an advanced economy.

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