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       int ·Ö=currentTime.Minute; 
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   12345.ToString("e");        //Éú³É 1.234500e+004 
   12345.ToString("f4");        //Éú³É 12345.0000 
   12345.ToString("x");         //Éú³É 3039  (16½øÖÆ) 
   12345.ToString("p");         //Éú³É 1,234,500.00% 
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