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¡¡¡¡1.2   È¡µ±Ç°Äê  
int   Äê=currentTime.Year;  
¡¡¡¡1.3   È¡µ±Ç°Ô  
int   ÔÂ=currentTime.Month;  
¡¡¡¡1.4   È¡µ±Ç°ÈÕ  
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int   ʱ=currentTime.Hour;  
¡¡¡¡1.6   È¡µ±Ç°·Ö  
int   ·Ö=currentTime.Minute;  
¡¡¡¡1.7   È¡µ±Ç°Ãë  
int   Ãë=currentTime.Second;  
¡¡¡¡1.8   È¡µ±Ç°ºÁÃë  
int   ºÁÃë=currentTime.Millisecond;  
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¡¡¡¡1.10   È¡ÖÐÎÄÈÕÆÚÏÔʾ_ÄêÔ  
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¡¡¡¡1.11   È¡ÖÐÎÄÈÕÆÚÏÔʾ_ÔÂÈÕ  
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¡¡¡¡12345.ToString( "e ");   //Éú³É   1.234500e+004  
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