In this paper, the harmonic balance method has been developed for calculating the steady state response of locally nonlinear dynamic systems under periodic excitation.
利用谐波平衡法研究了局部非线性系统在周期激励下的稳态响应问题。
Therefore, maintaining health actually means conserving the dynamic balance of body functions, and curing diseases means restoring chaotic body functions to a state of coordination and harmony.
维护健康就是维护人的整体功能动态平衡，治疗疾病就是使失去动态平衡的整体功能恢复到协调与和谐状态。
PZT micro -force sensors were calibrated by bimorph and electronic balance in static state and by bimorph and charge amplifier in dynamic state, small signal was tested by amplifier.
采用双晶片探头和电子天平对PZT微力传感器进行静态力标定，进而利用双晶片探头和电荷放大器对PZT微力传感器进行准静态标定，微小信号检测通过锁相放大器来实现。
Both of them are always in a state of dynamic balance.
阴阳总是处在动态平衡的状态。
Both of them are always in a state of dynamic balance.
阴阳总是处在动态平衡的状态。
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