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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Under the normal mining condition and 95% the utilization rate of the uranium resource in 320 uranium Deposit, 0.045% as the marginal grade is recommended.

在320铀矿床常规开采条件下，要求铀矿资源(金属量)利用程度不低于原情况的95%时，选择的边界品位为0.045%。

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The ECB is expected to keep the status quo (main refi rate at 0.25%, deposit rate 0.00% and marginal lending rate at 0.75%) despite the weakness in latest CPI data released on Monday.

尽管周一发布的最新CPI数据表现疲弱，但市场还是预期欧洲央行会维持其现行政策不变(主要再融资利率为0.25%、存款利率为0.00%以及边际贷款利率为0.75%)。

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For example, the ECB has a deposit facility that pays interest to banks, an emergency marginal lending facility for overnight borrowing and a weekly refinancing operation in which it lends money to banks.

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