發送短信 : Decoherence induced by a composite environment

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