...通过室内外模型试验数据分析比较．结果表明，本文作者提出的由多项式函数拟合地基应力一位移关系而得到的基础振动方程（Duffing方程）及共振频率算式具有应用简使和精度较高的特点． 短句来源 On a dynamical model of hyperbolic hysteresis loop in fou...
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Duffing equation 达芬方程式 ; 杜芬振子
duffing problem 杜芬问题
Duffing Oscillator Duffing振子
Duffing振子 Duffing Oscillator
Duffing differential equation 达芬微分方程
Duffing array 杜芬阵列
duffing method 杜芬法
N a thick flour pudding, often flavoured with currants, citron, etc, and boiled in a cloth bag 水果布丁
plum duff
N
V to change the appearance of or give a false appearance to (old or stolen goods); fake 把(旧的或偷的东西)翻新; 伪造 [slang]
ADJ bad or useless, as by not working out or operating correctly; dud 无用的 [英国英语] [非正式]
a duff idea
a duff engine
ADJ
N the rump or buttocks 屁股 [slang]
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