The functions of landscape ecosystem and tourist economic system are influenced by their structures and always in a contradictional situation.

旅游經(jīng)濟系統(tǒng)功能與景觀生態(tài)系統(tǒng)功能，受其結(jié)構(gòu)影響也經(jīng)常處于矛盾關(guān)態(tài)之中欧洲男女交欢视频。

And the theory system is the Marxism of modern China, so the route contains much of Marxist philosophy contradictional ideas, practical ideas and productivity ideas are the three main pillars of the philosophical base.

矛盾觀點精品性无码A片免费不卡专区、實踐觀點、生產(chǎn)力觀點是其哲學基礎(chǔ)的三根主要支柱亚洲欧美日韩第一页。