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grades decline

网络释义

短语

Ore Grades Decline 铁矿石等级下滑

有道翻译

grades decline

成绩下降

以上为机器翻译结果,长、整句建议使用 人工翻译

双语例句权威例句

  • As mines age, ore grades decline, since the best stuff is usually dug up first.

    随着矿山年龄的增长,铁矿石等级下滑因为最好往往被最先发掘

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  • As older mines get deeper, ore grades decline and extraction becomes more expensive.

    随着越挖越深矿石的品质下降使提取成本增加。

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  • Records show that during December and January, the two months with the fewest hours of daylight, attendance rates fall, average daily class participation drops, and grades decline.

    记录表明日光最少十二月一月出席下降每日平均课程参加量减少分数降低

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