The parallel-connection and variable-speed operation characters of the centrifugal pump groups are studied by conics fitting of the character curves in the high efficiency area.

通过对离心式水泵高效工作区的性能曲线进行二次拟合，分析了离心式水泵机组并联调速运行特性。

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This efficiency of the birch bark canoe also made an impression on newcomers to the area.

这种桦树皮独木舟的效率也给新来的人留下了深刻的印象。

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The same data is represented in many different ways by different applications in order for each one to achieve maximum efficiency in a specific area.

为了能够在特定的领域中实现最高的效率，对于相同的数据，不同的应用程序以不同的方式进行表示。

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"We really have explored every area of efficiency, " said Mr Carter.

BBC: Kent 'needs ?15m cuts on top of ?60m'

Solar charge times are determined by the total area and efficiency of the solar cells -- the Spark uses high-efficiency monocristalline cells which will charge an iPad from about 10 hours of sunshine.

ENGADGET: Voltaic Spark Tablet Case powers your pad with the Sun's rays

The Olympics are not the only area in which efficiency is a concern.

ECONOMIST: A new democracy | The