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- The more recent research on differential equations is concerned with the qualitative theory. 对微分方程更近代的研究是关于定性理论。
- So far, the study about core competence is mainly a study of qualitative theory analysis, and lacks in a systems analysis method which is exercisable. 迄今为止，关于核心能力的研究多为定性的理论分析，缺乏比较具体可操作的系统分析方法。
- Methods The mathematical model of the two competitive floras was analyzed by the Qualitative Theory of Ordinary Differential Equations. 方法以两竞争菌群为研究对象,应用微分方程定性理论分析两竞争菌群的数学模型。
- By using qualitative theory of differential equations to study equlibrium points asymptotic stability and for model solution of uniform bound. 运用微分方程的定性理论,讨论了模型平衡点的渐近稳定性及模型解的一致有界性。
- Methods Qualitative Theory of Ordinary Differential Equation was employed to analyze the mathematical model of two florae under the effect of antibiotics. 方法应用微分方程定性理论分析抗生素作用的两菌群数学模型。
- Using the qualitative theory of differential equations, this paper pre-sents at most finite critial points and analyses of their type in Z6-Equivariant differentical system. 利用微分方程定性理论讨论Z6-等变微分系统最多奇点数及类型.
- Methods The qualitative theories of ordinary differential equations are used. 方法运用常微分方程定性理论进行讨论。
- qualitative theory in celestial mechanics 天体力学定性理论
- Qualitative Theory of Celestial Mechanics 天体力学定性理论
- Qualitative Theory of Differential Equations 微分方程定性理论
- Based on homomorphic theory in abstract algebra, this paper firstly presents "Homomorphic Principle" about qualitative reasoning, then applies this principle to the homomorphic properties analysis of the present qualitative theories. 本文根据抽象代数的原理;提出良好的定性推理系统应遵循“同态原则”.;然后根据该原则对现行的两种定性推理理论进行分析;结果表明:deKleer的“基于组件”的定性推理系统与其所对应的定量分析系统不是向态的;
- qualitative theory (Dingxing Shuo) 定性说
- qualitative theory of ordinary differential equation 常微分方程定性理论
- Electronic Journal of Qualitative Theory of Differential Equations 微分方程定性理论电子版杂志
- Qualitative Theory of ordinary Differential Equati ons 常微分方程定性理论
- Bifurcate and Qualitative Theory of Ordinary Differential Equations 常微分定性分支初步
- Qualitative Theory of Ordinary Differential Equations 常微分方程定性理论
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- I entirely approve of that theory. 我完全赞成那种理论。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
