發送短信 : Dynamic stability of spinning pre-twisted beams subject to axial pulsating loads

 _    _    __   __   _____     __   __   _____    
| |  | ||  \ \\/ // |  __ \\   \ \\/ // |  __ \\  
| |/\| ||   \ ` //  | |  \ ||   \ ` //  | |  \ || 
|  /\  ||    | ||   | |__/ ||    | ||   | |__/ || 
|_// \_||    |_||   |_____//     |_||   |_____//  
`-`   `-`    `-`'    -----`      `-`'    -----`