描述:
Qijia culture and geographical
features provides a new way, and the cemetery in the transition to the Siwa Culture Remains
found was Qijia culture and the relationship between Siwa culture provides an important
basis for further study. We will Qijia 2008 Mogou based on newly discovered tomb, the tomb
描述:
he paper studies from the situation and feature of Agriculture
Tri-dimension Pollution in Yellow River Basin areas, and divides it into several regions according to
basin’s pollution feature by adopting the method of searching documents , research, systems analysis,
quantitative and qualitative analysis and so on, and analyzes the problem of Agriculture Tri-dimension
Pollution in Yellow River Basin areas from the view of tri-dimension and system by use of the theory of
Environmental value, Technology Value, Ecology, Circular economy , uses System Dynamics to track
dynamically the change in the future of the various variables in different modes and constructs the
system mode of agricultural tri-dimension pollution in Yellow River Basin, and simulates the system;