“field trial”的概念、定义、翻译、参考文献-科学参考

单词	field trial
释义	field trial 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	law and literature law and regulation system for management of agricultural genetically modified organisms Law and Social Sciences law and society movement law-based distribution principle law court building law enforcement and supervision of land resources Law Enforcement Intelligence Unit law enforcement in water administration Law enforcement on land law for the prevention and control of marine pollution law for the protection of islands law for transplantation of organs law-from-war law in action law information service law in the slavery society law justice in water administration Law Kar Law, Language and Legal Determinacy lawless choice sequence Lawley Concession law library lawn lawn brown speckle disease

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。