So it is worthy of analysis the qualitative properties of reaction diffusion system and periodic system.
对具有反应扩散及周期运动的神经网络的定性性质的分析具有广泛的理论和应用价值。
This paper studies the existence for solutions and qualitative properties of impulsive differential equations.
本文研究脉冲微分方程的解的存在性与定性性质。
Neural networks has the properties of a complex dynamic system, the prerequisite condition of it been used in many field is that it has some qualitative properties such as stability, convergence.
动态神经网络具有复杂力学系统的特性，这决定了它被实际应用的前提是具有较好的一些定性性质，如：稳定性、收敛性等。
Qualitative physical modeling verifies the fact that the forging method with horizontal V-shaped anvil is an effective process to control the mechanical properties of axial forgings.
定性物理模拟实验证明了水平V形砧锻造法是控制轴类锻件力学性能的有效工艺手段。
High strength, and creep resistance, high tenacity, qualitative hard, no cold rheology, mechanical properties with temperature rises, the reduced.
强度高，抗蠕变性能高，坚韧、质硬，无冷流变性，力学性能随温度升高而降低。
Analysis: in chemistry, the determination of the properties and composition of samples of materials; qualitative analysis establishes what is there, and quantitative analysis measures how much.
分析：化学用语，指决定某一物质样品之物理性质或化学组成的步骤。定性分析建立在含有什么，而定量分析是测量有多少含量。
The radius of investigation can vary considerably in inhomogeneous conditions, and at different values of the properties concerned. It should be considered only a qualitative guide to tool response.
在各向非均质地层或所测属性具有不同数值时，探测半径变化很大，只能作为仪器响应的定性指示。
The properties, physiological function and the metoods of qualitative and quantitative analysis of enriched brewer's yeast were introduced in the paper.
对富铬酵母的特点、生理功能作了简单论述，并且概述了富铬酵母中铬的含量分析及其性质分析的研究概况。
The properties, physiological function and the metoods of qualitative and quantitative analysis of enriched brewer's yeast were introduced in the paper.
对富铬酵母的特点、生理功能作了简单论述，并且概述了富铬酵母中铬的含量分析及其性质分析的研究概况。
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