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

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發送短信 : MAGNETIC FIELD LINE RANDOM WALK in ISOTROPIC TURBULENCE with VARYING MEAN FIELD