According to the input-output model developed based on the relative data of Beijing for 1989-2000, the contribution ratio of water resources to industrial production is 5.74%.
According to the input-output model developed based on the relative data of Beijing for 1989-2000, the contribution ratio of water resources to industrial production is 5.74%.
利用北京市1989~2000年实际资料建立的模型结果表明北京市水资源对工业生产的贡献率为5.74%。