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投资率通常是 指一定时期（年度） 内固定资产投资额 占国内生产总值的 比率。 其计算公式为： 投资率有别于过去以物质产品平衡表体系计算的积累率（积累额／国民收入使用额ｘ１００％）。比较起来，投资率能更确切地观察建设与生产、建设与消费之间的关系。同时，投资率也有?
Investment rate usually refers to the fixed period of time (annual) investment in the ratio of gross domestic product. The formula is: The investment rate is different from the accumulation rate (accumulation amount / national income usage x100%) calculated in the past by the physical product balance sheet system. By comparison, the investment rate can more closely observe the relationship between construction and production, construction and consumption. At the same time, the investment rate also?