The paper analyzes the current condition of the use of virtual learning environment(VLE) in Zhejiang University of Chinese Medicine. It is indicated that studen
The stratigraphic division and sequence of the Upper Cretaceous sediments in eastern Heilongjiang Province,China,have been ambiguous and controversial,mainly du
Seafloor polymetallic sulfide resources exhibit significant development potential.In 2011,China received the exploration rights for 10,000 km~2 of a polymetalli