Development governance practices and process improvement efforts typically focus on cost efficiency.

开发治理实践和过程改进工作着重于成本效率。

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It is also a tenet of an agile, iterative methodology, representing a significant improvement over waterfall in terms of risk, cost, quality, and efficiency.

这还是敏捷、迭代的方法的宗旨，表现出就风险、成本、质量，和效率而言，在瀑布模型上的重大改善。

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The improvement might seem modest, but increased efficiency has a big impact on the cost of the resulting electricity.

这个提升似乎并不是很明显，但效率增加对电力成本有很大影响。

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Each Beacon Community has elected specific and measurable improvement goals in each of three vital areas for health systems improvement: quality, cost-efficiency, and population health.

WHITEHOUSE: New Recovery Act Investments in Health IT