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]
It simulates the whole process of Duffing equation from modeling, experiment to analysis by use of uniform auto computing technique.
研究非线性混沌动态系统的图形自动演算问题。
The effects of stochastic excitation on the period-doubling bifurcation and chaotic motions of the softening Duffing oscillator, are discussed in detail.
讨论了有界噪声激励对软弹簧杜芬振子的倍周期分岔至混沌运动的影响。
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