自然地理环境
natural geography environment
natural and geographical environment
Geographical environment
档案管理环境的自动控制
field environmental condition control
光合作用的作用光谱
action spectrum of photosy nthesis
环境的自然属性
natural property of environment
浅谈菊花的饮食文化
Catering Cultures of Chrysanthemum
汤剂的理化环境
Physical and Chemical Circumstance of the Decoction
优越的地理环境
superior geographic environment
有产权的环境保护技术
proprietary environmental protection technology