The fourth part proposes a sound and better mechanism of urban land control measures.

第四部分提出了健全和完善城市土地管制机制的对策。

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Since then, however, land has become more valuable, not just for timber but for providing "environmental services" such as flood control, climate change measures and amenity.

但是从那时起，林地变得越来越有价值，不仅是因为伐木业，而且因为它所提供的环境服务，例如控制洪水，调节气候等。

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Through combined measures, we brought soil erosion on 48,000 square kilometers of land under control.

综合治理水土流失面积4.8万平方公里。

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