reference period的用法和樣例：
例句
- This year the company wants to use a basis period different from that used in past years.
今年公司希望采用一個(gè)有別于以往的評稅基期。 - This research focusses on the index system establishment of multi-factors which sets the factors of the same measurement in the same period in a fixed base period.
本文對多因素指數體系編制采取了將同度量因素所屬時(shí)期一律固定在基期。
