“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	temporary quotient Temporary Regulation on picture Enterprise Operation Qualification Access Temporary Regulations for Tax Exemption Policy for the Imported Collections of State-Owned Public Welfare Collection Entities Temporary Regulations on Administration of Foreigners or Foreign Vessels’ Fishing Activities in the Water of the People's Republic of China temporary replacement of an absent official temporary resettlement temporary residence temporary residence registration temporary resident population temporary slope temporary speed restriction server Temporary stage temporary stage Temporary Standard of the Measures for Museums Evaluation temporary star temporary station temporary storage temporary swap file temporary template randomly chimeric technology temporary threshold shift temporary turf temporomandibular disorders temporomandibular disorders，TMD temporomandibular joint temporoparietalis

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。