What a pity that his career was left to flounder.多么可惜，他的事业深陷困局。What a pity that his career was left to flounder...多么可惜，他的事业深陷困局。Mr. Dambar had loaded his plate with stuffed flounder.但拔先生的餐盘里盛满了填馅的比目鱼。Flounder, turbot and...
What a pity that his career was left to flounder.多么可惜，他的事业深陷困局。Mr. Dambar had loaded his plate with stuffed flounder.但拔先生的餐盘里盛满了填馅的比目鱼。The plane had begun to drop and flounder wildly.飞机已经开始下降,剧烈地颠簸着....
该方法既适于自治系统又适于非自治系统.Above method can be applied to both autonomous system and nonautonomous system.研究具有年龄结构的非自治的SIS模型.In this paper , we study a nonautonomous SIS model with age structure.研究了一类利用线性状态误差反馈控制方法耦合的非自治悬臂振动系统的全...