“合同定购”的概念、定义、翻译、参考文献-科学参考

单词	合同定购
释义	合同定购 Encyclopedia 管理学农产品流通释 contract purchase合同定购国家与农产品生产者产前协商签订合同的农产品收购形式。
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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。