發送短信 : VIBRATION CONTROL OF STRUCTURES SUBJECTED TO WIND LOADING

 ______      ___      _____     ______   __   _   
|      \\   / _ \\   /  ___||  /_   _// | || | || 
|  --  //  | / \ || | // __     -| ||-  | '--' || 
|  --  \\  | \_/ || | \\_\ ||   _| ||_  | .--. || 
|______//   \___//   \____//   /_____// |_|| |_|| 
`------`    `---`     `---`    `-----`  `-`  `-`