Terms containing sum-of-the-years-digits depreciation method

Subject	English	Chinese
tech.	sum-of-the-year-digits depreciation method	年数总和折旧法
tech.	sum-of-the-year-digits depreciation method	年限总额折旧法
market.	sum-of-the-years-digits depreciation method	年限积数折旧法
market.	sum-of-the-years-digits depreciation method	年限总和逐次按比例折旧法