“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	space sound film multichannel reproduction mode space speciality skill training simulator space standardization space standardization engineering space standardizer space standard system space station space structure space sub-mm wave radio telescope space suit space suit engineer space surveillance radar space symmetry space symmetry operation space system space systems engineering space target surveillance system space technology Space Technology -5 satellite Space Technology Research Vehicle space telemetry space telescope Space Telescope Science Data Analysis System space telescope science data analysis system Space Telescope Science Institute

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。