Design structure of two databases for we can express rule knowledge expediently and adopt many strategies to improvement efficiency of reasoning.

通过合理地设计数据库的结构，可以达到灵活、方便地表达规则知识，并易于采用多种策略提高推理效率。

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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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In the process of industrialization, mechanization and popularization of advanced agricultural technologies to implement the continuous improvement of the efficiency of American agriculture.

在工业化的过程中，机械化的普及和先进农业生产技术的实施使美国农业效率不断提高。

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The improvement in efficiency was, admittedly, quite small (about half a percent), but the space saving was significant almost 16%.

ECONOMIST: Solar energy

Given today's materials and know-how, automotive engineers reckon a 10% reduction in vehicle weight yields a 6% improvement in efficiency.

ECONOMIST: Tech.view: Unbearable lightness? | The

Apple is not opposed to such a result if it occurs in the context of an overall improvement in efficiency, flexibility and competitiveness.

FORBES: Apple Willing To Pay More Taxes To Get An Efficient System