Äúµ±Ç°µÄλÖ㺸ֲĠ> ¸Ö½ÊÏß > ¼Û¸ñ»ã×Ü

pert¹ÜµÄÓÅȱµã£¬pert ¹Ü²Ä

À´Ô´:Í·Ìõ ×÷Õß: chanong
·ÖÏíµ½
¹Ø×¢µÂÇÚ¸ÖÌúÍøÔÚÏߣº
  • ɨÃè¶þάÂë

    ¹Ø×¢¡Ì

    µÂÇÚ¸ÖÌúÍøÎ¢ÐÅ

ÔÚÏß×Éѯ£º
  • ɨÃè»òµã»÷¹Ø×¢µÂÇÚ¸ÖÌúÍøÔÚÏ߿ͷþ

ÿÄêÕâ¸öʱºò£¬ÇïÓê·×·×ÂäÏ£¬ÌìÆøÖð½¥×ªÁ¹£¬Ñ×Èȼ¾½ÚתÁ¹£¬¶¬ÌìÒ²²»Ô¶ÁË£¬µØÅ¯µÄÖØÒªÐԾͿªÊ¼Í¹ÏÔ³öÀ´¡£¶¬ÌìÎÒ¼ÒÓеØÅ¯£¬ÍâÃæ±ùÌìÑ©µØ£¬ÎÝÀïÈ´ÎÂůÈç´º£¬ÕæÊǸ£Æø¡£ÄãÖªµÀPERTÊÇʲô¹Ü²ÄÂð£¿

µØÅ¯¹Ü

1.ʲôÊÇPERT¹Ü²Ä£¿

PERT¹ÜÓֳƾÛÒÒÏ©PERT¹Ü£¬ÓÉÄÍÈȾÛÒÒÏ©ÖÆ³É£¬Ö÷ÒªÓÃÓÚµØÅ¯¡£ PERTÊÇÒ»ÖÖÖÐÃܶȾÛÒÒÏ©£¬ÊÇÒÒÏ©ºÍÐÁÏ©µÄ¹²¾ÛÎ¾ßÓÐÏà¶ÔÎȶ¨µÄ»úеÐÔÄÜ¡£ÓÉÓÚÖ÷Á´ºÍÐÁÏ©µÄ¶ÌÖ§Á´½á¹¹£¬Í¬Ê±¾ßÓÐÐÁÏ©ÓÅÒìµÄÈÍÐÔ¡¢¿¹Ó¦Á¦¿ªÁÑÐÔ¡¢µÍγå»÷ÐÔ¡¢³¤ÆÚÄÍˮѹÐÔ¡¢ÄÍÈÈÈä±äÐÔ£¡¸Ã¹ÜµÀ·Ç³£Êʺ**²×°µØÅ¯£¡

µØÅ¯¹Ü

¶þ¡¢PERT¹Ü²ÄµÄÌØµã1¡¢Êô»·±£¹Ü²Ä£¬¿É»ØÊÕÔÙÀûÓ㬲»ÎÛȾ»·¾³¡£ 2¡¢¼Ó¹¤ÐÔÄÜÎȶ¨£¬Ò×ÓÚ¼Ó¹¤¹Ü²Ä²ÄÖʵÄÑ¡Ôñ´ó¶àÓɹܲı¾ÉíµÄ²ÄÖʾö¶¨£¬ÐÔÄܱȽÏÎȶ¨£¡ 3¡¢ÈáÈíÐÔ¼«¼Ñ£»PERT²ÄÁϱȽÏÈáÈí£¬Ê©¹¤»ò°²×°Ê±²»ÐèÒªÌØÊ⹤¾ß£¬¼Ó¹¤³É±¾Ïà¶Ô½ÏµÍ¡£ 4¡¢µ¼ÈÈÐÔÄܺ㺵ØÅ¯°²×°ËùÐèµÄ¹Ü²Ä±ØÐë¾ßÓÐÁ¼ºÃµÄµ¼ÈÈÐÔÄÜ£¬PERT¾ßÓÐÁ¼ºÃµÄµ¼ÈÈÐÔÄÜ£¬µ¼ÈÈϵÊýԼΪPPR¹ÜµÄ2x£¬ÊʺϵØÅ¯¡£ 5¡¢ÓÅÒìµÄµÍο¹ÈÈÕðÐÔÄÜ¡£ÓÉÓÚÆäÓÅÒìµÄµÍο¹ÈÈÕðÐÔÄÜ£¬¶¬¼¾Ê©¹¤°²×°Ê±²»Ò×Êܵ½³å»÷Ë𻵣¬Ôö¼ÓÁËÊ©¹¤°²ÅŵÄÁé»îÐÔ£¡

µØÅ¯¹Ü

ÔðÈα༭£ºµÂÇÚ¸ÖÌúÍø ±êÇ©£º

ÈÈÃÅËÑË÷

Ïà¹ØÎÄÕÂ

¹ã¸æ
µÂÇÚ¸ÖÌúÍø |¼Û¸ñ»ã×Ü

pert¹ÜµÄÓÅȱµã£¬pert ¹Ü²Ä

chanong

|

ÿÄêÕâ¸öʱºò£¬ÇïÓê·×·×ÂäÏ£¬ÌìÆøÖð½¥×ªÁ¹£¬Ñ×Èȼ¾½ÚתÁ¹£¬¶¬ÌìÒ²²»Ô¶ÁË£¬µØÅ¯µÄÖØÒªÐԾͿªÊ¼Í¹ÏÔ³öÀ´¡£¶¬ÌìÎÒ¼ÒÓеØÅ¯£¬ÍâÃæ±ùÌìÑ©µØ£¬ÎÝÀïÈ´ÎÂůÈç´º£¬ÕæÊǸ£Æø¡£ÄãÖªµÀPERTÊÇʲô¹Ü²ÄÂð£¿

µØÅ¯¹Ü

1.ʲôÊÇPERT¹Ü²Ä£¿

PERT¹ÜÓֳƾÛÒÒÏ©PERT¹Ü£¬ÓÉÄÍÈȾÛÒÒÏ©ÖÆ³É£¬Ö÷ÒªÓÃÓÚµØÅ¯¡£ PERTÊÇÒ»ÖÖÖÐÃܶȾÛÒÒÏ©£¬ÊÇÒÒÏ©ºÍÐÁÏ©µÄ¹²¾ÛÎ¾ßÓÐÏà¶ÔÎȶ¨µÄ»úеÐÔÄÜ¡£ÓÉÓÚÖ÷Á´ºÍÐÁÏ©µÄ¶ÌÖ§Á´½á¹¹£¬Í¬Ê±¾ßÓÐÐÁÏ©ÓÅÒìµÄÈÍÐÔ¡¢¿¹Ó¦Á¦¿ªÁÑÐÔ¡¢µÍγå»÷ÐÔ¡¢³¤ÆÚÄÍˮѹÐÔ¡¢ÄÍÈÈÈä±äÐÔ£¡¸Ã¹ÜµÀ·Ç³£Êʺ**²×°µØÅ¯£¡

µØÅ¯¹Ü

¶þ¡¢PERT¹Ü²ÄµÄÌØµã1¡¢Êô»·±£¹Ü²Ä£¬¿É»ØÊÕÔÙÀûÓ㬲»ÎÛȾ»·¾³¡£ 2¡¢¼Ó¹¤ÐÔÄÜÎȶ¨£¬Ò×ÓÚ¼Ó¹¤¹Ü²Ä²ÄÖʵÄÑ¡Ôñ´ó¶àÓɹܲı¾ÉíµÄ²ÄÖʾö¶¨£¬ÐÔÄܱȽÏÎȶ¨£¡ 3¡¢ÈáÈíÐÔ¼«¼Ñ£»PERT²ÄÁϱȽÏÈáÈí£¬Ê©¹¤»ò°²×°Ê±²»ÐèÒªÌØÊ⹤¾ß£¬¼Ó¹¤³É±¾Ïà¶Ô½ÏµÍ¡£ 4¡¢µ¼ÈÈÐÔÄܺ㺵ØÅ¯°²×°ËùÐèµÄ¹Ü²Ä±ØÐë¾ßÓÐÁ¼ºÃµÄµ¼ÈÈÐÔÄÜ£¬PERT¾ßÓÐÁ¼ºÃµÄµ¼ÈÈÐÔÄÜ£¬µ¼ÈÈϵÊýԼΪPPR¹ÜµÄ2x£¬ÊʺϵØÅ¯¡£ 5¡¢ÓÅÒìµÄµÍο¹ÈÈÕðÐÔÄÜ¡£ÓÉÓÚÆäÓÅÒìµÄµÍο¹ÈÈÕðÐÔÄÜ£¬¶¬¼¾Ê©¹¤°²×°Ê±²»Ò×Êܵ½³å»÷Ë𻵣¬Ôö¼ÓÁËÊ©¹¤°²ÅŵÄÁé»îÐÔ£¡

µØÅ¯¹Ü


¼Û¸ñ»ã×Ü