As known,materials are the closest friend of everybody when the eyes open.And we believe that dramatic functions of the ......

将连续的叶片离散化,建立多点疲劳加载振动模型,并进行模态分析和受迫振动分析。设计同一叶片的单点和多点疲劳加载系统方案,通过......

<正> “You’re going to the United States to live?Howwonderful.You’re really lucky.” Does this sound familiar?Perhaps ......