發送短信 : Switching design for exponential stability of a class of nonlinear hybrid time-delay systems

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