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...
We reverence tradition but will not be fettered by it.我们尊重传统,但不被传统所束缚.Many people are fettered by lack of self - confidence.许多人都因缺乏自信心而缩手缩脚.The black mud fettered her movements.黑色的稀泥限制了她的行动。...