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Fauna and ecologic distribution of amphibians and reptiles of an county .

安县两栖爬行动物的区系与生态分布。

Creatures of four species has the hallmark of an ecologic happy family .

四种动物之间这种复杂的结合是生态学幸福家庭的标志。

Discussion on concept and proportion of economic forest and ecologic forest in returning cultivated land to forest .

退耕还林中"经济林"和"生态林"的概念和比例问题。

Due to great attachment to the ecologic environment , eco-tourism must develop lastingly .

生态旅游对生态环境具有非常大的依赖性，必须走可持续发展道路。

It must be combined with establishment of ecologic province , new rural establishment and protection and treatment plan of songhua river .

认为黑龙江省农村水污染治理必须与生态省建设、新农村建设和松花江水污染防治规划相结合。