2025-11-04 01:24:33 Factor analysis is adopted in this paper to tackle the synthetic economic indexes of 25 border counties (cities) in Yunnan in 2003. The data are then analyzed by SPSS software., ...

According to new research carried out by the University of Massachusetts Medical School, humans may have an internal compass ...

Greenpeace, for instance, says that its disapproval is self-evident, and resents being asked to express it., ...

May:And Kinshasa of Congo DRC and Pointe-Noire of COG., 还有刚果（金）的金沙萨和刚果（布）的黑角。