Iron ore resources; Financial crisis; Economic grade; Policy.

金融危机；铁矿资源；经济品位；政策。

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They are respectively named cut-off grade, marginal grade, economic grade and the average grade of an ore deposit.

这4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。

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Provide for PET and Acrylic Reflective sheeting. It have these grade: economic grade, engineering grade, high intensity grade, Diamond grade.

供应PET和亚克力型广告级(经济级)反光膜，工程级反光膜，高强级反光膜，钻石级车贴。

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The government is convinced that Brazil is on the verge of an investment-grade credit rating and economic growth of 5%.

ECONOMIST: The blessings of stability | The

Santos' economic policies have won Colombia investment grade status from the three leading rating agencies but the achievements have been tarnished by a recent increase in violence by leftist rebels, including attacks on oil companies.

MSN: Top Colombian drug lord 'Crazy Barrera' captured - World news - Venezuela | NBC News

His model is based on factors such as changes in bank lending, the economic growth rate and the size of the speculative-grade market (a glut of issuance tends to be an indicator of loose lending practices).

ECONOMIST: Buttonwood