Iran's currency, the rial, has fallen to a record low against the dollar. It has lost more than 17% of its value by the end trading on Monday.

伊朗货币里亚尔对美元下降到历史最低点，周一收盘时价值降低了17%以上。

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Steel wire mesh-polystyrene sandwich plate is a light-type construction mate-rial for wall body, having a developing future. Its economic and social benefits are also considerable.

钢丝网聚苯乙烯夹芯板是很有发展前途的轻型墙体建筑材料，具有显著的经济效益和社会效益。

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A new technology for fermenting production of lactic aicd by using corn as raw mate rial was studied.

介绍了用玉米为原料发酵生产乳酸的新工艺。

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Inflation has been ramping at 20% a month, and the rial has lost roughly half its value against the dollar in recent months.

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And the value of the Iranian currency, the rial, has lost at least half of its value against the U.S. dollar from a year ago.

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