“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。
随便看	single-server queue single server system single-server system single set valued mapping single set-valued mapping single shield rock tunnel boring machine single-shot terahertz detection single-side band modulation and demodulation single-sideband receiver single-sided disk single sided flat linear motor single-sided sander single skating single-slit diffraction single slit diffraction measurement single-sorted language single-species assessment model single-species grazing single-spectrum binary single-stage mass transfer equipment single-stage problem single stage system single-stage vapor compression refrigeration cycle single staining method single state

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。