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\ \\ / //  /_   _//  /_____//  /_   _//  |__  //  
 \ \/ //    -| ||-   `____ `    -| ||-     / //   
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   \//     /_____//  `__ `     /_____//  /_____|| 
    `      `-----`   /_//      `-----`   `-----`  
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發送短信 : TURNING DEGREES CONSTRUCTIONS AND THEIR INDUCTION STRENGTH IN REVERSE MATHEMATICS