Thus the balance of forces was such as to allow a fair measure of stability of prices;— the highest quinquennial average for Sauerbeck's index number between 1820 and 1914 was only 50 per cent above the lowest.
因此，力量平衡使得可以公平地衡量价格的稳定性； ——索尔贝克指数在 1820 年至 1914 年间最高的五年平均值仅比最低值高出 50%。
