It is important to lower the timber consumption of valuable tree species and improving the quality of products.

对降低珍贵树种的消耗，提高产品的质量和附加值具有重要的意义。

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Firewood consumption makes up 30 percent of aggregate timber consumption on the upper-middle reaches of Yangtze and Yellow rivers.

长江、黄河流域上中游地区薪柴消耗约占毁林的30%。

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Japan is one of the rare nations in the world that are densely populated, so its timber consumption is very large.

日本是世界上少有的人口高密度国家之一，因而木材消费需求巨大。

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