“retrospective study”的概念、定义、翻译、参考文献-科学参考

单词	retrospective study
释义	retrospective study 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。 Mathematics retrospective study回溯研究
随便看	objective [lens] objective lens objective magnification objective magnification power objective model objective of livelihood objective of national economy management objective of population control objective of resources and environment objective of water conservancy planning objective paradigm objective population objective prism objective-prism spectrum objective punishment condition objective quality evaluation objective reporting Objectives Objectives and Principles of Securities Regulation objective shot Objectives of Arts Management objectives of library management objectives of monetary policy objectives of regional policy objective space

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