局部环境谱
local environmental spectrum
局部环境污染
The local pollution of the environment
Cohen-Macaulay局部环
Cohen-Macaulay local ring
Gr-凝聚Gr-半局部环
Gr-coherent Gr-semilocal ring
安徽省地质矿产局环境地质研究所
Institute of Environmental Giology of BOMR
anhui
鼻咽部局部镜检
indirect nasopharyngoscopy
大庆石油管理局环境保护处
enviromental protection dept.
daqing petroleum administration
大庆石油管理局环境监测中心站
environmental monitoring center
daqing petroleum administrate
daqing petroleum administration
非分歧的正则局部环
unramified regular local ring