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;
描述:
nd its ability to resist the risk of price
fluctuation is
fluctuating in
relatively weak, so they often become the most direct victims for the rapidly
cotton price, reducing the cotton farmers'enthusiasm to grow cotton .The cotton
描述:
evelopment status and level of modernization and social
stability and national independence is the most important foundation of the national economy, not
only the relationship between state and the affections of the global, stable, and the relationship
between workers to relationships and coordinated development between urban and rural areas and
rural industrialization and urbanization is the necessary condition.