SPSS13.0 was used to process the data of the 1-6 batch of key cultural relic conservation units promul-gated by the State Administration of Cultural Heritage of
Low Carbon Employment is an inevitable choice for the purpose of "energy-saving and emission reduction " and "promoting employment". By Multi-variable Linear Ba
At present about 60% of ecosystem has been damaged and degraded severely, resulting in enormous ecological loss globally. The essential cause is the irrational