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对具有慢变参数的非线性振动系统进行了分析研究，这类系统在振动工程中有着广泛的实际背景。
The nonlinear vibration system with slow-changing parameters has been studied. This system has wide background in engineering.
利用慢变参数、时程分析和能量分析方法，探讨了铅芯橡胶减震支座（LRB） 的非线性动力性态。
Slowly parameter, nonlinear time response analysis and energy approach can be used to obtain the dynamic behavior of lead rubber bearing (LRB).
锅炉过热器蒸汽温度受控对象通常具有大惯性、大迟延、参数慢时变等特点。
The boiler super-heater steam temperature control object is generally with characteristic of parameters slow time variable, the great inertia and the larger time lag.
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