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

单词	cross-sectional study
释义	cross-sectional study Encyclopedia 理学横断研究释 cross-sectional study横断研究在同一时间对不同年龄组被试的心理发展水平进行测查并加以比较的研究方法。又称横断设计。理学临床试验的自适应性设计释 cross-sectional study横断面研究在特定时间，对特定人群进行普查或抽样调查，研究人群健康状况或患病率的一种流行病学研究方法。
随便看	Onsala Space Observatory on-scene analysis on-scene fire investigation On Seafoods， Notes on Marine Products on Seal Cutting ONSET onset onset of Asian monsoon onset of disease onset of nucleate boiling on shell diagrams on-shell diagrams on shell recursion relations onshore gas well string onshore-offshore seismic profile on-site clock visit on-site control on-site emergency response platform on-site emergency work plan on-site enforcement on site extraction of electronic physical evidence on-site inspection on-site measurement On site operation method onsite purchasing

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。