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

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發送短信 : Past of a quantum particle revisited