Until he was detained, Mr Hu had been in charge of Rio's iron ore price negotiations with China.

直到被拘留前，胡士泰一直是力拓与中国铁矿石价格谈判的负责人。

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Officials in charge of the project are working to improve the quality of robot teaching and iron out glitches before any decision to expand their use.

负责这一项目的官员们正努力改进机器人的教学质量，并在决定推广使用前解决一些小问题。

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Significant correlation has be found between charge characteristics and active iron and aluminium oxides.

土壤的电荷特性与活性铁铝氧化物密切相关。

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So successful was the bank that under Cosimo de' Medici, who ruled it with an iron rod, the Medici were for a long while put in charge of papal finances.

ECONOMIST: Millennium issue: Banking