A group of methods for achieving periodic reductions in the book value of fixed assets that make larger reductions in the early periods and progressively smaller reductions in later periods.是什么意思_A group of methods for achieving periodic reductions in the book value of fixed assets that make larger reductions in the early periods and progressively smaller reductions in later periods.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句