Price average that, for a specific period (e. g. 30 days), picks up the price for the latest day and drops the price for the earliest day.

一种价格综合指数，在一定期间（比如30天）选用最近一天的价格，排除最早一天的价格。

youdao

Price average that, for a specific period (e. g. 30 days), picks up the price for the latest day and drops the price for the earliest day.

一种价格综合指数，在一定期间（比如30天）选用最近一天的价格，排除最早一天的价格。

youdao