电子商务时代顾客忠诚度的提高策略研究 关键词：电子商务，顾客忠诚度， 动力系统模型 [gap=933]Keywords: E-commerce; Customer Loyalty Degree; Powerful System Model
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以台架试验所确定的部件特性为基础建立燃料电池混合动力系统模型。
A fuel cell hybrid model is developed basing on the components' properties.
基于动力系统模型的局部投影非线性降噪算法，对混沌信号和一大类非平稳信号具有明显的降噪效果。
The algorithm of local projective nonlinear noise reduction based on nonlinear dynamic system is more effective for noise reduction of chaotic signal and non-stationary signals.
从生物的捕食系统出发，提出了一种斑块生境中具有异质捕食风险的新机制，并构造了一个动力系统模型。
Starting from natural predation systems, we present a new mechanism involving heterogeneous predation risk, and develop a new dynamical system model in patchy habitats.
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