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充要

网络necessary sufficient

充要

充要

necessary sufficient

因此，起源的概念对我们就仅仅意味着区分相对于文化的前文化（pre－culture）活动的起码的充要（necessary sufficient）条 …

1

Finally , sufficient and necessary conditions for a fuzzy good congruence on an adequate semigroup to be idempotent -separated are proved.

最后，得到了适当半群上的模糊好同余为幂等可分的充要条件。

2

Microsoft itself is one of the principal contributors to the creation of a universal user privacy model .

微软本身可能是其中的一个充要的贡献者，他最起码建立了一个保护用户隐私的模式。

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A sufficient and necessary condition is given that the algebraic immunity of a Boolean function is not more than a fixed value .

借助覆盖向量刻画了代数免疫布尔函数的特征，给出布尔函数代数免疫不大于某确定值的充要条件。

7

convergence, statistical convergence in probability, and statistical convergence in distribution respect to a.

收敛、统计依概率收敛的充要条件或充分条件。

10

This paper also obtains the necessary and sufficient conditions for the class of Brown birth and death processes to be regular .

此外，本文还得到了判断这类布朗生灭过程正则性的充要条件。

12

This paper gives an necessary and sufficient condition, an evaluation for the bound of part of partition and number of partition.

给出了完备分拆的充要条件、分部量以及分部数界的估计。

13

The number of the most optimal solutions of this integer programming is determined.

给出了一类整数规划问题有唯一最优解的充要条件。

14

We have proved that random events are independent if and only if random events can be transformed into strip events and different axis .

上随机事件相互独立的充要条件是随机事件可表示成不同轴条事件。

15

A commutative ring is a prime ring if and only if it is an integral domain.

含单位元的交换环是素环的充要条件是它是整环。

19

Second, the necessary and sufficient condition for capital market to arrive at post-Pareto optimality is strong information symmetry.

三是资本市场事前帕累托最优的充要条件是信息强对称和信息强完全；

20

The Multiplicative consistency , the sufficient and essential condition of checking consistency is given .

定义了区间数互补判断矩阵的乘性一致性，给出了判定一致性的充要条件。

21

The controllability of singular control systems with delay is studied , then some necessary and sufficient conditions are given .

研究了广义时滞系统的能控性，给出其能控的充要条件。

22

If N (A ) denotes the number of positive elements in A , then N (A) = min N(B ) if and only if B is isomorphic to B in theorem 3 .

又设 N （A ）是 A 中含正元的个效，则 B 是含最小个效正元的 n 阶本原矩阵的充要条件是 B 同构于定理 3 中的 B 。

23

The paper proposed a sufficient and necessary condition for the problem to admit an exact penalty function approach.

给出了这类双层规划具有恰当罚函数的充要条件，以及这类问题的解的一些性质。

25

In this paper, we give both a sufficient condition and an equivalent condition under which a direct product of F-covers is also an F-cover .

本文主要给出 F-复盖的直积还是一个 F-复盖的充分条件和充要条件。

26

Some efficient methods for judging whether a real matrix or a real regular matrix is metapositive definite are presented .

给出实正规矩阵和一般实矩阵成为亚正定阵的一些充要条件。

27

In particular , some new necessary and sufficient conditions were established in the critical case .

特别对临界阈值情形，建立了一些新的充要条件。

28

Based on this , the sufficient and necessary condition under which a set of GD-Constrai nts is a minimal cover is given .

在此基础上，给出了一个 GD-约束集成为最小覆盖的充要条件。

29

The author of this article finds a necessary and sufficient condition of the independence of random variables by using the three lemmas .

利用三个引理，作者找到随机变量独立性的一个充要条件。

30

This paper gives a sufficient and necessary condition for judging nonsingular H-matrix .

文章主要工作是给出了判别此类矩阵的一个充要条件。

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