This in - depth study analyzed the causes to the crisis and suggested some modes to restore the ecological environment along the river basin.
本文从深入探讨危机的成因入手，提出流域生态环境恢复的若干模式。
This in - depth study analyzed the causes to the crisis and suggested some modes to restore the ecological environment along the river basin.
本文从深入探讨危机的成因入手，提出流域生态环境恢复的若干模式。
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