• 给出根据相轨线方程判断微分方程组存在周期方法

    A method by which we can judged that the system of differential equations determined periodical solutions is given.

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  • 给出完整分支各区域上的线结构。结果表明,非对称项引起二重极限分支和分支曲线的复杂性。

    Moreover, a formula for calculating double limit cycle bifurcation is derived. Finally, the complete bifurcation diagrams and phase portraits are obtained.

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  • 直流(BLDC)伺服控制可选3取代传统霍尔效应传感器

    For Brushless DC (BLDC) servo control, optional 3 phase commutation tracks replace the traditional Hall Effect sensors.

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  • 虽则粮叨下渗出进程率但是卵黑露质露址⒔正在渗进的整丁卵黑量含质减少

    Though low feed concentration provide high permeation rate but total protein concentration and individual protein concentration in the permeate decreases considerably.

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  • 虽则粮叨下渗出进程率但是卵黑露质露址⒔正在渗进的整丁卵黑量含质减少

    Though low feed concentration provide high permeation rate but total protein concentration and individual protein concentration in the permeate decreases considerably.

    youdao

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