By using of NCEP/NCAR reanalysis data and surface observation precipitation data, thermodynamic features of the rainfall during 2—8 September 2004 is analyzed and the occurrence and maintenance of heavy rain excited by barotropic non-equilibrium force and baroclinic coupling forces between dynamic and thermodynamic fields is diagnosed.
利用NCEP/NCAR再分析资料,结合地面降水观测资料,对2004年9月2-8日川渝大暴雨过程中的动、热力条件特征等进行天气学分析,并对大气正压非平衡强迫、斜压热动力耦合强迫在暴雨发生发展维持过程中的作用进行动力诊断。
They are separately the barotropic non-equilibrium force and the baroclinic coupling forces between Q vector and vertical shear of wind.
通过对流层中低层气柱内总体辐合增长影响因子的分析,揭示了正压非平衡强迫、湿非地转Q矢量与垂直风切变耦合强迫激发辐合增长和暴雨维持的动力机制。
In this paper,We study positive equilibrium kind of n-species food chain model under pollutde environment.
本文研究了污染环境中n阶食物链系统的正平衡点问题,得到了该系统存在唯一正平衡点的充要条件,并且在n=2和n=3时证明了正平衡点的稳定性。
New sufficient conditions for the global attractivity of the positive equilibrium of equation is obtained, which improve some recent results in literature.
讨论平方Logistic差分方程xn + 1-xn=rnxn(1 +bxn -kn-cx2 n -kn) ,n =0 ,1 ,… ,其中 {rn}是非负实数列 ,{kn}是非负整数列 ,{n -kn}非单调递减 ,且limn→∞(n -kn) =∞ ,b∈ (-∞ ,∞ ) ,c∈ (0 ,+∞ ) ,给出了保证方程每一正解趋于正平衡点的充分条件 ,所得定理推广和改进了已有结果。
The results obtained prove that a locally stable positive equilibrium point also contains global stability.
考虑了n维Lotka Volterra捕食被捕食链型系统 ,证明了正平衡点的局部稳定性蕴含了全局稳定
Global stability of a positive equilibrium point on two-species competition model
两种群竞争模型正平衡点的全局稳定性
Stability in the large of positive equilibrium point is obtained.
用化学动力学的理论建立了一个二次自催化反应的数学模型，并用定性理论对模型作了定性分析，得到了该模型的正平衡点的全局稳定性的结果。
The local progressive stability around the positive equilibrium point M is discussed by using characteristic value law,and a necessary and sufficient condition is gained.
研究了3种群相互作用构成的群落的Volterra模型,利用特征值法讨论正平衡点M的局部渐进稳定性,得到一个充要条件;同时构造V函数得到M点全局稳定的充分条件。
By using the qualitative theory of differential equation and constructing Ляпунов functions,the bounded of time-delay and sufficient condition that guarantees positive equilibrium of system asymptotic stable are obtained.
采用Ляпунов函数方法,证明病毒感染的时滞免疫反应动力学模型dT/dt=γ-dT(t)-kT(t)V(t)dI/dt=kT(t)V(t)-δI(t)dV/dt=pI(t)-cV(t)的正平衡解稳定性,给出时滞的估计,证明时滞免疫反应系统的正平衡解渐近稳定和全时滞稳定条件。
Global stability of a positive equilibrium point on two-species competition model
两种群竞争模型正平衡点的全局稳定性
Necessary and sufficient conditions for the existence of globally stable positive equilibrium points of n-dimensional Lotka-Volterra circle systems
一类n维环型Lotka-Volterra系统正平衡点全局渐近稳定的充要条件(英文)
ii) the positive equilibrium points of this system is global asymptotically stable if and only if-A∈P.
ii)系统的正平衡点全局渐近稳定的充要条件是-A∈P.
The Stability and Global Hopf Bifurcation of Classes of Delay Differential Systems;
两类时滞微分系统正平衡点的稳定性与全局Hopf分支
The Perturbation Solution of Multi-molecular Model of Biochemistry Reaction at the Positive Equilibrium Points
多分子生化反应模型在正平衡点的二阶近似摄动解
The paper is regarding a fourth-order rational difference equation, proving that the positive equilibrium point of the equation is globally asymptotically stable.
研究了一个四阶有理差分方程,证明了该方程的正平衡点是全局渐近稳定的.
In this paper, a stage-structured predator-prey model is studied. Sufficient conditions for the globally asymptotical stability of positive equilibrium are established.
文章研究了具有年龄结构和时滞的捕食-食饵模型,建立了正平衡点全局稳定的充分条件.
breakeven point
盈亏平衡点, 平均转效点
But I am trying to find a balance between insistence and compromise.
我正努力在执着与妥协之间找到平衡点。
Just as I was about to take a sip of coffee the whole building jolted upwards and nearly knocked me off balance.
正当我要嘬口咖啡时，突然整个建筑向上晃动起来，我差点失去平衡。
The Conflict and Balance between Lawsuit Efficiency and Justice-Legal Principles of the "System of Selecting Policemen" and Analysis of Relevant Cases;
诉讼效率与公正的冲突及衡平——“点选警察制”的法理与实证分析
Distinguish tri-port sinusoidal oscillator phasic balance by reactance line
基于电抗性质线判定三点式正弦波振荡器的相位平衡
equilibrium point algorithm for computing
计算中的平衡点算法
marked by balance or equilibrium and readiness for action.
以平衡、均衡并且准备好了行动为特点。
” It holds that balance and gradual change is normal, whereas imbalance is abnormal.
认为平衡、变是正常的，不平衡则是反常的。
Sometimes it sounds a little stubborn but I am now trying to find a balance between insistence and compromise.
有时候，这显得有点固执，因此，我正努力在执著与妥协之间寻找平衡点。
On Conflict and Balance between Conflict Justice and Material Justice;
冲突正义与实质正义间的冲突及衡平
Balance of Conflict between General Justiceand Specific Justice by Law;
普遍正义与个别正义冲突的法律衡平