Implementation of some requirements before all others are described in full detail allows for gradual and more effective distribution of labor, resulting in improved efficiency and reduced costs.

一些需求的实现在其它需求详细描述之前实现，这允许渐进的更有效的分配人力，从而提高了工作效率，并降低了成本。

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The most effective setup, thus far, transfers power over a distance of two meters with about 50 percent efficiency.

现阶段最有效的方式是在两米的距离内实现了电力传输，但是供电效能只有50%。

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If you pay too much attention to efficiency, you might actually become less effective.

如果你太在意效率，事实上你可能回变得更不效率。

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Sharing the savings incentivizes developers to find as many cost-effective efficiency measures as possible, maximizing both building and developer economic value.

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This Rating Program will offer easy-to-understand and reliable information about the energy performance of an existing home that will help consumers to identify cost-effective energy efficiency improvements.

WHITEHOUSE: Rating Home Energy Performance

With this arrangement, Samsung and Nanosys will work together to create a new generation of cost effective, higher-efficiency products in the fields of solar, LED, memory, semiconductor, and display.

ENGADGET: Nanosys forms alliance with Samsung to further the art of nanotech, fight the gray goo menace