1) necessary and sufficient condition
充要条件
1.
The convex function and its necessary and sufficient condition;
函数的凸性及其判别的充要条件
2.
Another Two Forms of Necessary and Sufficient Condition of Differentiable Complex Function;
复变函数可微性充要条件的另两种形式
3.
Necessary and Sufficient Condition and Appliction of Differentiable Complex Function;
复变函数可微的又一充要条件及其应用
2) sufficient and necessary condition
充要条件
1.
Some sufficient and necessary conditions of the tree map with zero entropy;
树映射拓扑熵为零的几个充要条件
2.
In this paper,a sufficient and necessary condition to the linearization of one kind of one-order non-linear differential equation is given through the transformation of unknown-function,thus,the elementary solutions to a series of famous classic one-order non-linear differential equations are expanded.
给出了一类一阶非线性微分方程 ,经未知函数变换可化为一阶线性微分方程的充要条件 ,推广了一系列著名的经典的一阶非线性微分方程的初等解
3.
Studing the Hamiltonian circuits of digraph using adjacency matrix, the sufficient and necessary condition of strict digraph to be directedly Hamilton is discussed.
讨论了研究有向图的Hamilton图的充要条件。
3) necessary and sufficient conditions
充要条件
1.
The Necessary and Sufficient Conditions of the Liénard System for Intersection of Positive Semi-orbits with Characteric Curve;
关于Liénard系统的正半轨线与特征曲线相交的充要条件
2.
On the necessary and sufficient conditions of zero-symmetric BZ-algebras;
零对称BZ-代数的充要条件
3.
Starting from the concept of conjugate analytic function,this paper expounds on the necessary and sufficient conditions of conjugate analytic of differentiable complex function represented in exponent form.
在共轭解析函数定义基础上,讨论指数形式表示的函数共轭解析的充要条件。
4) Sufficient and necessary conditions
充要条件
1.
A Comparison of Sufficient and Necessary Conditions and Prototypic Theory in Semantic Analysis;
充要条件与原型理论释义功能之比较
2.
The sufficient and necessary conditions of the multiobjective fractional programming (VFP) for (F,ρ)-invariant convex function was discussed in reference.
在文献[1]中,讨论了(F,ρ)-不变凸函数条件下,多目标分式规化(VFP)的充要条件。
3.
sufficient and necessary conditions for weak law of large numbers in stochastic sense are given.
本文讨论随机大数定律 ,得到随机变量序列服从随机弱大数定律的充要条件。
5) Sufficient condition
充要条件
1.
this article gives define of linear integral factor on a tape of different equations, obtains its sufficient condition of existence and calculation formua
本文给出了微分方程M(x,y)dx+N(x,y)dy=0线型积分因子的定义,得到了线型积分因子存在的充要条件和计算公式。
2.
A sufficient condition for the existence of primitive roots was first given in the paper, then one property of the sum of primtive roots was discussed and one mistake was corrected in terms of this property.
本文首先给出原根存在的一个充要条件,然后讨论原根和的一个性质,修正了关于此性质的一个错误。
6) sufficentand necessary condition
充要性条件
补充资料：充要条件
如果能从命题p推出命题q,也能从命题q推出命题p
条件p是条件q的充要条件，条件q是条件p的充要条件
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