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  ______     ___     _    _      ___     _    _   
 /_   _//   / _ \\  | || | ||   / _ \\  | |  | || 
 `-| |,-   | / \ || | || | ||  | / \ || | |/\| || 
   | ||    | \_/ || | \\_/ ||  | \_/ || |  /\  || 
   |_||     \___//   \____//    \___//  |_// \_|| 
   `-`'     `---`     `---`     `---`   `-`   `-`

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發送短信 : Evaluation of egm2008 using GPS/LEVELING data in Thailand