1) … if and only if …
……的充要条件是……
2) sufficient and necessary condition for solvability
可解的充要条件
3) necessary and sufficient conditions
必要充分的条件
4) A Necessary and Sufficient Condition of Knowledge
知识的充要条件
5) 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。
6) 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
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