基本解釋[經(jīng)濟(jì)學(xué)]余額遞減折舊詞組短語短語diminishing balance method of depreciation 余額遞減折舊方法diminishing balance depreciation method更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)余額遞減折舊