描述:
made for economic prosperity. At the same time, some
man-made natural disasters have been paid more and more attentions , so the research on hydraulic
characteristics of the river in recent years has been put on the agenda. Considering the ecological
environment, flood control, pollution prevention and control method, and in view of the perspective of
the urban landscape as well as the national strategic plan for sustainable development, the research the
hydraulic characteristics of river and making river reasonably repair and ecological reconstruction will
become a general trend, because that is a kind of remediation measure for human to be done
unreasonable exploitation, and it also will be the strong protection of river resources and sustainable
model for better using river resources in the future.
描述:
bution, one of
the pathogenicity impaired crops. It has three genomic RNAs. So it is one of RNA
virus model strains to investigate pathogenicity mechanism in host.
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.