“观察性研究”的概念、定义、翻译、参考文献-科学参考

单词	观察性研究
释义	观察性研究 Encyclopedia 理学临床试验的自适应性设计释 retrospective study观察性研究在自然状态下对研究对象的特征进行观察、记录，并对结果进行描述和对比分析的研究。
随便看	security protocol analysis security requirements security risk security risk analysis of E-government security risk management security room security sandbox security scan security situational awareness security strategy security system of wage payment Security Technical Protection Standards System security technology security technology prevention security testing security tools security trading market security vulnerabilities security vulnerability scanning technology SED Sedan Crater sedative sedative-hypnotic sedative-hypnotic drug SEDDS

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。