Additional index definitions that would improve performance of the queries considered by reducing the runtime of the queries.
额外的索引定义，它们通过减少查询的运行时间改进查询性能。
If bottlenecks are found, and addressing the bottleneck will only improve performance by 5 or 10 percent, you should assume that time would be better spent elsewhere.
如果找到了一些瓶颈，但是克服瓶颈的措施只使性能提高了百分之五或百分之十，那么就说明应该将精力花在别的地方了。
The result of simulation indicated that higher printing velocity and printing pressure would improve the performance of solder paste printing if other factors were not considered.
研究表明：在不考虑其他焊膏印刷性能影响因素下，较高的印刷速度和印刷压力能提高焊膏印刷性能。
It was believed that the improvement of battery case material and the sealing technology would improve obviously the performance of AgO-Zn secondary battery.
指出壳体材料和工艺的改进将显著提高锌银二次电池的性能水平。
We are fortunate that is it, because building new educational systems there and putting enough people through them to improve economic performance would require two or three generations.
译文：我们很庆幸这种观点错了，因为在这些国家建立新的教育体制并通过这种体制培养足够的人才来提高经济水平需要两三代人的时间。
The results suggest that the injection of vaporized fuel would improve the performance of a liquid hydrocarbon-fueled supersonic combustor because the evaporation process is now omitted.
结果表明：喷注汽化燃料有可能改善液体碳氢燃料超声速燃烧室的性能，因为至少省却了雾化和气化过程。
The results suggest that the injection of vaporized fuel would improve the performance of a liquid hydrocarbon-fueled supersonic combustor because the evaporation process is now omitted.
结果表明：喷注汽化燃料有可能改善液体碳氢燃料超声速燃烧室的性能，因为至少省却了雾化和气化过程。
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