首先，用多尺度法导出弱非线性强迫激励系统的频率响应函数。
Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
同时为了保证测量精度，采用偏置电流极低的运算放大器opa128，并且增大了反馈电阻，以增强对弱信号的响应。
An OPA128 operational amplifier with extreme low bias current and big gain is adopted for enhancing the response to weak signals.
研究了弱锚定垂面排列液晶显示器中液晶的响应时间。
This paper studied the response times of the vertically aligned liquid crystal display with weak surface anchoring.
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