Therefore, a cost recovery method for calculating the economic benefit of the quality improvement & impurity reduction of iron concentrate by way of beneficiation is proposed.

为此，提出了一种计算铁精矿选矿提质降杂经济效益的还原成本法。

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Though recent economic data has offered some encouraging signs for the recovery, Hoversen argued that given the quality of the recovery and the fact that the main driver behind the earnings is cost cutting and a base effect, the currency markets seem to be reacting to a momentum that doesn't accurately reflect the state of the macro environment.

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