“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	A Rich Merchant Distributed His Wealth to His Offspring arid climate arid climate of northwest China aridextor aridic epipedon aridic moisture regime aridification of Asian interior aridity aridity index arid landforms aridosol in China Aridosols arid region hydrology arid-tropical shrubby tussock (savanna) aridyne Ariel Ariel Award Ariel Rubinstein A.Ries ARIES Aries ARIES algorithm ARIES算法 Arietids arietta

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