英语词汇“near-density curve, difficulty curve”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	near-density curve, difficulty curve
释义	near-density curve, difficulty curve 分选密度±0.1曲线；又称“邻近密度曲线”；曾称“比重±0.1曲线”。表示不同分选密度时；邻近密度物含量与该密度的关系曲线。代表符号ε±0.1。
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