求翻译：Researchers from North Carolina State University and the University of Maryland examined three large surveys conducted from 1973 to 2002是什么意思？

待解决

悬赏分：1 - 离问题结束还有

Researchers from North Carolina State University and the University of Maryland examined three large surveys conducted from 1973 to 2002

问题补充：

匿名	2013-05-23 12:26:38 来自北卡罗莱纳州大学和马里兰大学的研究人员检查从 1973年至 2002 年进行的三个大调查

本站所有资料来源于互联网，如有侵权，请联系本站，青云翻译网沪ICP备07509807号-1 鄂公网安备42018502000813号