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rectifications的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 rectification:
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(chemistry) the process of refinement or purification of a substance by distillation
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the conversion of alternating current to direct current
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the act of offering an improvement to replace a mistake; setting right
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determination of the length of a curve; finding a straight line equal in length to a given curve
