the sum of digits 数字和S
sum-of-digits method 总和数字法
Sum-of-the-years-digits method 年数总和法
sum-of-the-years-digits depreciation method 使用年数比例折旧法 ; 年限积数折旧法 ; 年数总和法
sum of years digits method 逐年指数法
sum-of-years digits depreciation 年数总和折旧
Sum of the digits method 年数总和法
sum-of-years-digits depreciation method 年数总和折旧法
Sum of year's digits 使用年限合计积点折旧法
In particular, they have demonstrated that, on average, there are as many prime Numbers for which the sum of decimal digits is even as prime Numbers for which it is odd.
特别地，他们证明了在平均的意义上，各位数字和是偶数的素数跟数字和是奇数的素数一样多。
ScienceDaily (May 13, 2010) - On average, there are as many prime Numbers for which the sum of decimal digits is even as prime Numbers for which it is odd.
(2010年5月13日)—平均而言，各位上数字和是偶数的素数跟数字和是奇数的素数一样多。
MOST commonly, a digit that arises when the sum or product of two or more digits equals or exceeds the radix of the number representation system.
最常用的是指当两个或多个数的和或积等于或大于记数系统的基数时出现的进位数。
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