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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Geithner received an average grade of 51.

盖特纳平均得分为51分。

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Mary: The average grade of all my courses is above 85.

玛丽：我各科的平均成绩都在85分以上。

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An F is a failing grade worth zero toward a student's grade point average.

VOA: special.2009.03.05

Their GPA, or their grade point average was less than a 2.0.

他们的成绩平均绩点，或者平均分不到2.0。

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Twenty-two states earned an A for standards and assessments, with a national average grade of B.

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His seven-person admissions team still scores thousands of applications by hand, granting spots based on the average grade.

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Domestic audiences appeared to like "Into Darkness, " giving it an average grade of A, according to market research firm CinemaScore.

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