Method Minimal inhibitory concentration(MIC) and Mininal bactericidal concentration(MBC) were determined by double broth dilution method.

方法采用肉汤二倍稀释法测定最低抑菌浓度（MIC）和最低杀菌浓度（MBC）。

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The 1% concentration of methylene blue used in this study is double that used in the United States.

这项研究使用1%的亚甲蓝浓度，在美国使用两倍的浓度。

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Watching a 3d movie can more than double the concentration powers and cognitive processing of children, new research claims.

一项新研究声称，观看一部3d电影可以让儿童的注意力和认知处理速度提升一倍多。

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Professional writers, for whom concentration is critical, are often derailed by the double-edged sword of the Internet: they use it to find material, but they often go off on search sidetracks that interrupt their creative process.

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