Strengthening the environmental management and protecting the eco-environment is an essential condition for the net growth of GNP.
从而使人们认识到 ，加强环境管理 ，保护好生态环境就是实现国民生产总值的净增长。
Carrying on research and protecting the environment based on watershed unit has become the trend of the modern environmental management.
以流域为研究单元，对生态环境进行研究和保护是现代环境管理的必然趋势。
Carrying on research and protecting the environment based on watershed unit has become the trend of the modern environmental management.
以流域为研究单元，对生态环境进行研究和保护是现代环境管理的必然趋势。
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