“纵向研究”的概念、定义、翻译、参考文献-科学参考

单词	纵向研究
释义	纵向研究 Encyclopedia 理学〔综论〕释 longitudinal study纵向研究在多个时间点上对同一群被试的心理发展水平进行长期重复观测的研究方法。又称追踪研究。
随便看	reduced product space reduced proper motion reduced properties reduced quadratic equation reduced quadratic form reduced quantity reduced radiation reduced rank reduced-rank regression reduced relative degree reduced representation reduced residual radioactivity nuclear weapon reduced residue class reduced residue classes modulo an ideal reduced residue system reduced ring reduced root system reduced sampling inspection reduced scheme reduced sequence reduced sheaf reduced space reduced square reduced statistical operator reduced surface density

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。