The equivalent model has good applicability for strong nonlinear Duffing systems.该等效模型对强非线性杜芬系统具有良好的适用性.This paper deals with analytical approximate solutions to the Duffing - Harmonic oscillator by a new method.用一种新方法研究...
Her husband faces various criminal charges...她丈夫面临多项犯罪指控。He's a reformed criminal who may yet backslide.他是个经过改造的罪犯,然而仍有可能故态复萌.The young policeman gritted his teeth and walked slowly towards the armed criminal.年轻警官强忍...
介绍了钛醇盐的合成方法.The synthesis method of titanium alkoxides has been introduced.一种联苯乙酸氨丁三醇盐, 化学式为C18H23NO5.The invention relates to a acid tromethamine salt , of which the formula is C 18 H 23 NO 5.通过优化有机硅 醇盐 的整理工艺,得到适合工厂生产的工...