预计: estimate; calculate in advan ...年限: age limit; fixed number of y ...总数: tote; totality; sum; invento ...折旧: depreciation法: law预计年限总数折旧: depreciation sum of expected life; depreciation-sum of expected life年限总额折旧法: sum-of-the-years’-digits method of depreciation; syd method年限积数折旧法: sum-of-the-years-digits depreciation method单位总数折旧法: unit summation depreciation method年数合计折旧法, 年限总额折旧法: depreciation-sum of year digit使用年数比例折旧法;年限积数折旧法: sum-of-the-years-digits depreciation method按使用时数折旧法: service hours depreciation method工作时数折旧法: depreciation-working hour method; depreciation-working hours规则变数折旧法: depreciation uniformity varying amounts method统一变数折旧法: depreciation method of uniformity varying amounts; depreciation-uniformity varying amounts method总和年数折旧法: sum-of-the-years digits depreciation年数加总数折旧: depreciation sum of year digit按供用年限折旧法: depreciation age life method按使用年限折旧法: age life method; age-life method; service life depreciation method年限合计折旧法: depreciation sum of the year digit method平均年限折旧法: depreciation by composite life method; depreciation composite life method; depreciation-composite life method使用年限折旧法: depreciation-age-life method综合年限折旧法: composite life depreciation method使用年限比例折旧法: proportional depreciation method of application years综合平均年限折旧法: depreciation-composite life method