發送短信 : Dynamic response of tower crane induced by the pendulum motion of the payload

 _____       ___                 ___      _____   
|  __ \\    / _ \\    ____      / _ \\   /  ___|| 
| |  \ ||  | / \ ||  |    \\   | / \ || | // __   
| |__/ ||  | \_/ ||  | [] ||   | \_/ || | \\_\ || 
|_____//    \___//   |  __//    \___//   \____//  
 -----`     `---`    |_|`-`     `---`     `---`   
                     `-`