The equivalent model has good applicability for strong nonlinear Duffing systems.
該等效模型對(duì)強(qiáng)非線性杜芬系統(tǒng)具有良好的適用性.
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This paper deals with analytical approximate solutions to the Duffing - Harmonic oscillator by a new method.
用一種新方法研究達(dá)芬 - 諧波振子的解析逼近解.
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