“横断面研究”的概念、定义、翻译、参考文献-科学参考

单词	横断面研究
释义	横断面研究 Encyclopedia 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	spectral radiometric calibration spectral radius spectral radius of a matrix spectral range spectral reconstruction spectral reflectance standard spectral reflectivity spectral region spectral relaxation time spectral representation spectral representation of autocovariance spectral representation of correlation function spectral representation of operator spectral representation of stationary process spectral representation theorem spectral resolution spectral resolution of an operator spectral resolution of operator spectral resolution of terahertz spectrum spectral resolving power spectral response spectral response curve spectral response of terahertz spectrum spectral responsivity spectral rigidity

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。