“voluntary labor on Saturday”的概念、定义、翻译、参考文献-科学参考

单词	voluntary labor on Saturday
释义	voluntary labor on Saturday Encyclopedia 哲学马克思主义伦理思想释 voluntary labor on Saturday星期六义务劳动 1919年5月由莫斯科—喀山铁路分局共产党员发起的活动。
随便看	existence condition existence criterion existence domain existence factors existence form of element existence limit of nucleus existence of best approximation existence of lift existence of required elements of crime existence precedes essence existence principle existence problem existence proof existence property existence region existence symbol existence theorem existence theorem for roots existential existential closure existential condition existential formula existential generalization existential illumination existentialism

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