“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	frequency conversion transformation of fan and water pump frequency converter frequency counter frequency criterion frequency curve frequency cutoff frequency dependence selection frequency-dependent conductivity frequency deviation frequency diagram frequency dictionary frequency difference splitting technique frequency discriminator frequency dispersion frequency distribution frequency distribution curve frequency distribution table frequency diversity and combining frequency divider frequency dividing network frequency division duplex-long term evolution, FDD-LTE frequency division multiple access frequency division multiple access, FDMA frequency division multiplex communication frequency division multiplexing

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。