片语

necessary and sufficient decision condition虚切线

the necessary and sufficient condition必要且充分的条件

necessary and sufficient bondit condition反问题

necessary condition and sufficient condition必要条件和充分条件

a necessary and sufficient condition关系

necessary y and sufficient condition充要条件

英汉例句

• a necessary and sufficient condition is given for topologically mixed finite subshifts that are described by directed graphs.

  用有向图描述有限于移位，给出了有限子移位为拓扑混合的充要条件。

• it is obtained that a necessary and sufficient condition for a closed fuzzy set to be a convex fuzzy set .

  引入线性拓扑空间中的凸闭模糊集概念，得到闭模糊集是凸模糊集的充分必要条件。

• in this paper, we discuss when a quartic equation has no real roots, and obtain a necessary and sufficient condition on a quartic equation which has no real roots.

  本文讨论了一元四次方程无实根的一些充分、必要条件，并得到了一元四次方程无实根的一个充要条件。

• then, the latter necessary and sufficient condition is generalized to the case for the two different point ranges of degenerate second order curve.

  然后，再将非退化二阶曲线到自身的双射为对合的充要条件推广到退化二阶曲线两相异点列的情形。

• a necessary and sufficient condition for the correct formulation of boundary integral equations of harmonic functions is established in the present paper.

  本文以调和函数的边值问题为例，探讨了边界积分方程的充要条件。

• in this section, we establish a necessary and sufficient condition for the algorithm of edf.

  在这一部分里，我们得到了一个任务集可以用edf算法调度的充分必要条件。

• a necessary and sufficient condition for an inner set space with three critical sets which can be weighted is also given.

  给出了具有三个临界集的内集空间可以赋权的一个充分和必要条件。

• a necessary and sufficient condition of the existence of prime model is proved.

  研究了主型的有关性质，证明了一个素模型存在的充分必要条件。

• meeting a dynamic saddle point (dsp) with zero valued speed on the disturbed trajectory is the necessary and sufficient condition of pole slip for the motion system, but not that of divergence.

  揭示了运动系统经过动态鞍点是发生滑步的充要条件，而不是发散的充要条件。

• in this paper, the concept of strong acute cone is introduced, and the necessary and sufficient condition for existing such cone in a infinite dimensional space is obtained.

  本文提出了强锐角锥的概念，并就无限维空间证明了一个凸锥为强锐角锥的必要充分条件。

• this paper gives a necessary and sufficient condition for a class of large scale systems to be stabilized by local state feedback.

  本文给出了一类线性定常大系统可局部镇定的充要条件。

• in this paper we give a necessary and sufficient condition on diagonalization matrix.

  本文给出矩阵可对角化的一个充要条件。

• in this paper, some necessary and sufficient condition about the equivalence of two column vector groups has been discussed.

  本文论述了两列向量组等价的一些充分必要条件，并应用泛函分析的理论进行分析。

• we obtain an orthonormalized and complete set of rigorous evolving states of exp-sin type, as well as the necessary and sufficient condition for the existence of states of this type.

  求出了具有「指数正弦型」演化态的充要条件以及相应的正交归一完备的精确演化态系列。

• the paper presents a necessary and sufficient condition for topological dynamical system to be topologically conjugate with a generalized symbolic dynamical system.

  本文证明了，拓扑动力系统与广义符号动力系统拓扑共轭的一个充分必要条件。

• two kind of linear representations of the generalized quaternion algebras are given, and a necessary and sufficient condition about the isomorphism of two generalized quaternion algebras is obtained.

  给出了广义四元数代数的两种线性表示，导出了两个广义四元数代数同构的充要条件；推出了广义四元数矩阵乘法的可易性。

• a necessary and sufficient condition for the direct theorem of the derivatives of positive linear operators is given.

  给出了正线性算子导数正定理成立的充要条件，并证明了逆定理。

• a necessary and sufficient condition for large scale systems to exist decentralized observer and control is obtained.

  文中还得到了大系统存在分散观测器及分散控制的充要条件。

• the question as to whether binarity is a necessary and sufficient condition to produce barium star is addressed.

  讨论了双星是否是产生钡星的必要和充分条件，因为已知道的钡星系统全是双星。

• the author discusses a class of general of singular boundary value problems by using the first integral method, and the necessary and sufficient condition of positive solutions was obtained.

  运用首次积分法讨论了较广泛的一类常微分方程边值问题，得到了正解存在的充要条件。

• this paper gives the proof of function series convergence uniform theorem in paper [1] by construction method and seek for necessary and sufficient condition in general integral convergent further.

  用构造的方法，给出文[1]中函数项级数一致收敛定理的证明，并探索、研究广义积分收敛的充要条件。

• a new necessary and sufficient condition for making a descriptor system impulse-free by p-d feedback control laws is given.

  给出比例-导数反馈能够消除系统脉沖模式的一个新的充要条件。

• the paper gives the necessary and sufficient condition of self-dual graphs, all of self-dual graphs can be structured with this necessary and sufficient codition.

  给出自对偶图的充要条件，并利用此充要条件，能构造出所有自对偶图。

• based on the specific relations of graphs and line graphs, a necessary and sufficient condition of square root graphs is obtained.

  应用图与线图之间的特定联系，得出了平方根图的一个充要条件，进一步完善了平方根图的刻画。

• using this extended quadratic optimization theorem, the necessary and sufficient condition for the existence of stable quadratic optimal closed-loop system is obtained.

  利用这个推广的二次最优定理，得到了存在稳定的二次最优闭环系统的充要条件。

• it's always been my understanding the necessary and sufficient condition of being a christian is that you accept jesus christ as your lord and saviour.

  我一直理解成为基督教的充分必要条件就是接受基督耶稣为你的神，你的救主。

• in this paper, the necessary and sufficient condition of the optimal location of building centre is given. according to the condition, some distinguishing theorems of the optimal point arc proposed.

  本文给出了集中建站最佳站址的充要条件，根据这个充要条件还提出了关于最佳点的若干判别定理。