發送短信 : DISCRETE DIFFERENTIAL GEOMETRY - CONSISTENCY AS INTEGRABILITY

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