Exchange-traded funds offer broad baskets of stocks and charge a management fee that's often just a fraction of those at mutual funds.

交易所交易基金(Exchange - traded funds)提供了广泛的股票组合，收取的管理费却只是共同基金的一个零头。

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An equation of exchange fraction is.

系统地导出了交换度方程。

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Several of the focuses of CFD model in packed-bed reactors were studied, namely, the momentum exchange coefficient, the capillary pressure and the void fraction.

近年来填充床反应器CFD数学模型韵几个研究重点是动量交换系数、毛细管压力以及床层空隙率的非均匀分布性。

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Mr Raja is accused of selling mobile phone licenses to firms at a fraction of their real value in exchange for bribes in 2008.

BBC: Five arrests in India telecoms scam inquiry

It is also time to put to rest a popular but fallacious view that since central-bank reserves equal only a fraction of the daily turnover on foreign-exchange markets, intervention is merely a drop in the bucket.

ECONOMIST: Interventionist