“three up three down”的概念、定义、翻译、参考文献-科学参考

单词	three up three down
释义	three up three down Encyclopedia 工学城乡规划（研究）方法与技术释 three up three down三上三下 2012年广州市“三规合一”工作中提出的市区联动和部门协调步骤的总结。
随便看	Social Security Act Social Security Act Amendments Social Security Act of the United States Social Security Code of Germany social security evaluation social security for the elderly social security fund budget Social security management project social security method Social Security Number social security right social security services social security statistics social security system social segregation social self social sensing social service social service agency valuation social service management informatization platform social service of geological data Social service platform social services social services projects proposal social service system for the disabled

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。