Based on the extended model of the Cobb-Douglas production function, using the panel data of 31 provinces (directed-controlled municipalities and autonomous reg
Growth indexes of 47 7-year-old progeny forests of Acacia mearnsii in Huangmian forest farm were measured. A. mearnsii plantation was managed for producing both
With plants as the "kernel",based on the deliberation on the "kernel",by combining with "cultural inheritance and scientific development" as the theme of the ex
By taking the twelve scenic spots in Ancient Lotus Pond Garden as study objects, they have been introduced and their names have been classified in accordance wi