1) divisor
[英][dɪ'vaɪzə(r)] [美][dɪ'vaɪzɚ]
约数
1.
If the reciprocal sum of all divisors of n is a positive integer, then n is called an Ore s number.
设ｎ是大于１的正整数，如果ｎ的所有约数之倒数和仍是正整数，则称ｎ是Ｏｒｅ数。
2.
The number of temperament recorded in Huainan Honglie·Tianwen Xun (Chronometer) showed in two different levels: large number and divisor.
天文训》所记述的律数,呈现两个不同的层面——大数与约数。
2) divisor function
约数函数
1.
Let d(n) and φ(n) denote the divisor function and Euler s function of n respectively.
对于正整数ｎ，设ｄ（ｎ）、φ（ｎ）分别是ｎ的约数函数和Ｅｕｌｅｒ函数。
2.
In this paper, using some elementary methods, we discuss an arithmetic functional equation containing the divisor function, the sum of divisors and the Euler totient function, All even integer solutions of the equation are given, This result solves a problem concerning the generalized perfect numbers.
本文运用初等方法,讨论了一个含有约数函数、约数和函数与Euler函数的数论函数方程,给出了该方程的全部偶数解,并且解决了一个有关广义完全数的问题。
3.
For any positive integer n,let d(n),φ(n) and σ(n) denote the divisor function,Euler\'s totient function and the sum of distinct divisors of n respectively.
对于正整数n,设d(n),φ(n),σ(n)分别是n的约数函数、Euler函数和约数和函数。
3) sub-multiple
因数，约数
4) common divisor
公约数;公约
5) restriction index
约束指数
1.
Furthermore, the restriction index Ri, the ratio between real and theoretical averaged cross-sectional solid holdups in the particle back-mixing region section, was defined to quantitatively show the restric.
针对催化汽油辅助反应器改质降烯烃工艺,在一套提升管-流化床耦合反应器大型冷态实验装置上,系统研究了提升管出口段的颗粒流动特性,通过定义约束指数Ri(Ri为颗粒约束返混区实际截面平均固含率与理论截面平均固含率之比)定量反映提升管出口分布器及流化床层的约束作用。
6) data reduction
数据约简
1.
Study on data reduction and rules discovery based on convex Rough set;
基于凸Rough集的数据约简和规则发现研究
2.
Study on the Building Checks Price Based on Data Reduction;
基于数据约简的楼盘价格的研究
3.
Data Reduction and the Application in Auditing of the Social Security Network;
数据约简及其在社保联网审计中的应用
补充资料：约数
又称“因数”。见“倍数”(158页)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条