“Bidding and Purchasing”的概念、定义、翻译、参考文献-科学参考

单词	Bidding and Purchasing
释义	Bidding and Purchasing Encyclopedia 管理学采购方式管理释 Bidding and Purchasing招标采购通过在一定范围内公开采购信息，要求供应商在规定时间内提出报价，经过比较分析后，按既定标准选择投标人并与其签订采购合同的一种采购方式。
随便看	closed system of elements closed system of functions closed system of hot water supply closed term closed timelike curve closed [time] path Green's function closed time path Green's function closed topological manifold closed topology closed trail closed trajectory closed transformation closed traverse closed type closed type formula Closed type questions closed type switchgear closed unbounded set closed under addition closed under an operation closed under an operator closed under intersection closed under limits closed under multiplication closed universe

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。