“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	crime of deliberately delayed delivery of mail crime of dereliction and being deceived in signing and fulfilling contract crime of dereliction of duty crime of dereliction of duty in animal and plant quarantine crime of dereliction of duty in environment supervising and managing crime of dereliction of duty in food and drug supervision crime of dereliction of duty in preventing infectious diseases crime of dereliction of duty in the commodity inspection crime of dereliction of duty of a person who is directly in charge of a state-owned company,enterprise or institution crime of dereliction of duty resulting in detainees to escape crime of destroying computer information system crime of destroying evidence，forgery and obstruction of testimony by the defender or the agent of a lawsuit crime of destroying protected natural areas crime of destroying weapons and equipment, military installations and military communications crime of destruction of military marriage crime of destructive mining crime of disclosing and reporting case information that should not be disclosed crime of disclosing state secrets by negligence crime of disclosing state secrets deliberately crime of disclosure of case information that should not be disclosed crime of dismembering the state crime of disobedience to order in wartime crime of disrupting animal and plant epidemic prevention and quarantine crime of disrupting court order crime of disrupting elections

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