价格总指数是反映一定时期（年、季、月）内城市、农村居民所购买消费品价格和服务项目价格变动趋势、变动程度的相对数。
根据粮农组织大米价格总指数，自2008年1月以来，国际大米价格暴涨约20%。
Since January 2008 international rice prices have seen a steep increase of about 20 percent, according to the FAO All rice price Index.
按商品种类不同，分为单项商品价格指数、商品类别价格指数和总指数。
According to types of commodity, it can be divided into goods price index of an individual event, the classification price index of the goods and total index.
其次，从宏观上要调控价格，即对价格总水平的调控。 价格总水平是以各类商品和服务价格指数的加权平均表现出来的。
Secondly, to control price on macro-economy, i. e. to control General Price Level which is averaged from indexes of commodities and services.
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