“现场试验”的概念、定义、翻译、参考文献-科学参考

单词	现场试验
释义	现场试验 Encyclopedia 医学现场试验释 field trial现场试验在社区的现场条件下，以尚未患某病的人作为研究对象，按随机分配原则将研究对象分为实验组和对照组，实验组给予某种干预措施（研究因素），对照组不给予干预措施或给予安慰剂，比较两组结局的方法。又称人群预防试验。
随便看	China Sociology in the Contemporary Era China soil management department China Soong Ching Ling Foundation China Southern Airlines Company Limited China Southern Power Grid Co.,Ltd. China-Soviet Exchanged Notes on Resuming Diplomatic Relations China-Soviet rubber cooperation China space activities China Sporting Goods Federation China Sports China Sport Science China Sport Science and Technology China Sport Science Society China Sports Culture Exposition China Sports Daily China Sports Foundation China Sport Show China Sports Lottery China Sports Museum China sports system China Sports Venue Association China's Postgraduate Class for Excellent Youth Peking Opera Performers China's principles of wild animal management China's publishing industry China's regional opening-up policy

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。