“system of unified and fixed state purchase”的概念、定义、翻译、参考文献-科学参考

单词	system of unified and fixed state purchase
释义	system of unified and fixed state purchase Encyclopedia 管理学农业经济政策释 system of unified and fixed state purchase统购派购制度中国在商品经济不发达的情况下，实施对粮食、棉花、油料等重要商品由国家统一收购（统购），对重要农副产品，向农业生产单位和农民分派交售任务（派购）的法律规范的总称。
随便看	star portent star-producing region star product star-property star-property, *-property starquake star refinement star region star representation starring set starry night Starry Night天文馆软件 Starry Sky starry sky star schema Stars Club Star Semi—Monthly star sensor star set star-shaped star shaped domain star-shaped domain star-shaped function star-shaped molecule star-shapedness

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。