国内生产总值的增长速度反映了一定时期内社会最终成果的实物量规模的变动情况。由于国内生产总值的规模是以价值量来衡量,不同时期价值量规模的变动既包含了数量变动,又包含了价格变动的因素,不同时期的国内生产总值进行对比,首先要消除各种不可比因素,使之成为与基期相适应的 The growth rate of GDP reflects the changes in the physical volume of social final results over a certain period of time. Since the size of the GDP is measured by the value, the changes of the value of the volume in different periods contain both the quantity change and the factors of the price change. Comparing the GDP in different periods, we must first eliminate all kinds of incomparable Factors that make it compatible with the base period