karstic development pattern
Department of Land Development Development ＆ Surveying and Mapping
Public development andprivate development
scientific and technological enterprises that integrate scientific and technological development with industrial and trade development
Social Development Department of Development Research Center of the State Council
the development of development
China Recycling Development Corporation Development Divison
retrogressive development regressive development
arenaceous and pelitic karstic cave deposit
channel flow field of karstic water
confined karstic aquifer
deep-seated karstic water of south Ningxia
Jinan Karstic Spring Basin