Then two different fuzzy systems are designed to approximate the direct model and the inverse one on the basis of adaptive neuro-fuzzy inference system(ANFIS).

根据自适应神经模糊推理系统原理，设计两个模糊系统分别逼近磁流变阻尼器的正模型和逆模型。

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On the basis of principle and struture of GM(1, 1)model, and a series of derivation and transformation, the direct model operation method from original sequence was given.

从GM（1，1）的建模原理和模型结构特征出发，通过一系列的推导、变换，给出了直接从原始序列出发求解模型的方法。

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Today, Dell is enhancing and broadening the fundamental competitive advantages of the direct model by increasingly applying the efficiencies of the Internet to its entire business.

今天，戴尔公司应用互联网进一步推广其直线订购模式，不断地增强和扩大其竞争优势。

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However, Dell as a company never had an original idea in its corporate life beyond the direct model that caused other companies to sit up and take notice.

FORBES

The direct intervention model is not always the best method, experts say.

CNN: Intervening against an adult's will is complicated, painful

The direct sales model also lends itself to fostering personal relationships between sales associates and their clients, creating brand loyalty and opening up opportunities for expansion through networking and word of mouth.

FORBES: The Future Of E-Commerce: Bridging The Online/Offline Gap