sufficient and necessary condition
充要条件
常用释义
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基本释义
- 充分必要条件：在逻辑学和数学中，用于描述一个条件既是某个结果发生的充分条件，也是该结果发生的必要条件。
例句
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1·A sufficient and necessary condition of controllability for symmetric systems is al...对于对称系统，给出了可控性的充要条件。
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2·Finally, a sufficient and necessary condition of the diagonalizable block compound matrices is proved.最后让明了块复合矩阵可对角化的一个充要条件。
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3·The sufficient and necessary condition of possession justice is the both justice of acquirement and transfer.持有正义的充要条件是获取与转让同时是正义的。
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4·Meanwhile, the sufficient and necessary condition for the orientation of an arbitrary simple polygon is given.同时，给出了任意简单多边形走向的充要条件。
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5·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。
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6·In this paper, we obtain the sufficient and necessary condition for the stability by two-dimensional random walk approach.本文用二维随机游动方法得到了其稳定性的充分必要条件。
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7·Further, in this paper the sufficient and necessary condition for the duality of this linear invertible transform is obtained.得出了这类线性可逆变换存在对偶性的充分必要条件。
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8·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。
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9·The sufficient and necessary condition of instability is deduced, which is the theoretical base of the cavern's stability controlling…为溶腔稳定性控制和溶腔用于战略石油和天然气的储备打下理论基础。
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10·A sufficient and necessary condition for a group of multiple-valued logical functions to form a permutation is presented in this paper.本文给出了一组多值逻辑函数构成置换的一个充要条件。