星期一，人民币汇率上升到约6.8元兑换一美元，和星期五的收盘价相比，上涨了近0.4%，这是近几年来的最高值。

The yuan rose to about 6.8 to the dollar on Monday, up nearly four-tenths of a percent from Friday's close, and the highest level in several years.

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铁矿石市场也是“随风而动”，矿价已至近2年来的高点。

Iron ore market also "moved with the wind", the ore prices have climbed to the highest point for the past two years.

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目的：了解近3年来抗生素效价检定研究的新进展。

Objective: To understand the new progress of research on the assay of antibiotic titer in the latest 3 years.

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