By taxing about some over-exploitation populations how to restore optimal population level is moderately studied.
对系统某些种群因捕获造成过度开发，如何通过征税恢复最优种群水平作了适当的研究；
By taxing about some over-exploitation populations how to restore optimal population level is moderately studied.
对系统某些种群因捕获造成过度开发，如何通过征税恢复最优种群水平作了适当的研究；
应用推荐