元器件计数预计法
components counting estimation method
平均年限折旧法
depreciation by composite life method
综合年限法折旧
depreciation by composite life method
布尔代数计数法
Boolean algebra system of notation
年数合计法折旧
sum-of-the-year’s-digits method
年数合计折旧法
sumoftheyeardigits depreciation
总α计数法
Total alpha-counting method
总α计数法相对标准偏差
Relative standard deviation
总脉冲数计数法
Total pulse time counting method
年数加总折旧法
sum-of-the-year digit method (of depreciation
depreciation-sum of the year digit method
SOYD sum of the year’s digits method
平均寿年折旧法
depreciation-composite life method
寿年折旧法
depreciation-age-life method