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- We prove that symplectic algorithms may keep most of the invariant curves of Duffing equation when the time-step is small enough but non-symplectic algorithms cannot. 证明了当时间步长充分小时,辛算法可以保持原系统的大部分不变闭曲线,而非辛算法却做不到这一点。
- MAGNUS METHODS OF SOLVING NON DAMPING LANDAU-LIFSHITZ EQUATION 用Mignus方法解无阻尼Landau-Lifshitz方程
- The results of Berger and Chen are extended. And the variational method is proved to be available to solve the existence and uniqueness of the almost periodic solutions of nonlinear Duffing equations with damping. 推广了Berger和Chen的结果,证明了经典的变分方法对于解决带阻尼的非线性Duffing方程有界解的存在唯一性问题是同样适用的。
- The party was a bit of a damp squib. 这次聚会有些扫兴。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Simulation Research on Detection of Syntony Sensor's Frequency Using Parameter Sensitive Property in Duffing Equation 基于Duffing方程参数敏感性提取谐振型传感器频率的仿真研究
- Leather can deteriorate in damp conditions. 皮革受潮可变质。
- Periodic solutions to a type of Duffing equation with complex deviating argument 一类具复杂偏差变元的Duffing型方程的周期解
- Bread tends to mould in damp weather. 气候潮湿时，面包容易长霉。
- The damp climate seriously disagreed with her. 潮湿的气候使她感到很不舒服。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- I find that damp weather plays hell with my rheumatism. 我发现潮湿的天气使我的风湿病更严重了。
- Analysis on the Influence of the Phase-State of Chaotic System in Duffing Equation by Complicated Stimulating Force Item 复杂策动力项对Duffing方程混沌系统相态的影响
- These damp matches won't strike. 这些潮湿的火柴划不著。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Their damp drafty house was scarcely habitable. 他们潮湿透风的屋子不宜住人。
- It's damp and cold. I think it's going to rain. 空气又冷又潮，我看是要下雨了。
- Damp the cloth before you clean the windows. 在擦玻璃窗之前,把揩布弄湿。
- I can't make this equation come out. 我不会解这个方程式。
