“Four Clean-ups Movement”的概念、定义、翻译、参考文献-科学参考

单词	Four Clean-ups Movement
释义	Four Clean-ups Movement Encyclopedia 历史学重要事件释 Four Clean-ups Movement“四清”运动 1963～1966年中国在部分农村和少数城市基层开展的社会主义教育运动。因清理内容主要有4个方面而称为四清运动。
随便看	catalyst grading catalyst industry catalyst layer catalyst life catalyst lifetime catalyst manufacturing catalyst of methanol to olefins catalyst of methanol to propylene catalyst poisoning catalyst preparation unit catalyst regeneration catalysts catalysts and catalytic reactions catalyst selectivity catalysts of H2S selective oxidation catalyst strength catalyst utilization catalytic activity catalytic antibody catalytic biosensors catalytic chemical vapor deposition catalytic chemical vapor deposition, cat-CVD catalytic coal gasifaction catalytic coking catalytic colorimetry

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