±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1241  |  »Ø¸´: 1

superkey

ľ³æ (ÖøÃûдÊÖ)

[½»Á÷] Ò»°ãÒøÁ£×Ó²»ÓëÑÎËá·´Ó¦£¬ÄÉÃ׳߶ȷ´Ó¦·ñ ÒÑÓÐ1È˲ÎÓë

Ò»°ãÒø¿ÅÁ£²»ÓëÑÎËá·´Ó¦£¬¸÷λÓÐûÓÐ×ö¹ýÄÉÃ×Òø°üÀ¨Á£×Ó¡¢ÄÉÃ×Ïߵȣ¬ÕâÖÖÇé¿öÏÂÊÇ·ñÓëÑÎËá·´Ó¦£»ÆäËüÄÉÃ×½ðÊôÈçCu¡¢AuµÄÇé¿öÄØ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÈÏÕæ×öÊ£¬¿ìÀÖÉú»î
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bachier

½ð³æ (Ö°Òµ×÷¼Ò)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
׼ȷµÄ˵£¬ÔÚ¼ÓÈÈ×÷ÓÃÏ£¬HCL»áºÜ¿ì½«Ag¸ãµôµÄ£¬Èç¹û²»Í¨µªÆø±£»¤¡£
2Â¥2013-03-15 22:07:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ superkey µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085701»·¾³¹¤³ÌÇóµ÷¼Á +4 ¶à¾ÃÉϿΠ2026-03-27 4/200 2026-03-27 17:58 by yu221
[¿¼ÑÐ] 085602 307·Ö Çóµ÷¼Á +3 ²»ÖªµÀ½Ðʲô£¡ 2026-03-26 3/150 2026-03-27 16:50 by laoshidan
[¿¼ÑÐ] 085602 »¯¹¤×¨Ë¶ 338·Ö Çóµ÷¼Á +8 ·³ÕСç÷ 2026-03-27 8/400 2026-03-27 16:50 by lenovolsw
[¿¼ÑÐ] 292Çóµ÷¼Á +13 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 14/700 2026-03-27 15:40 by caszguilin
[¿¼ÑÐ] 085601 ²ÄÁϹ¤³Ì 313·Ö Çóµ÷¼Á +5 Ong3 2026-03-27 5/250 2026-03-27 12:24 by goldfish51
[ÂÛÎÄͶ¸å] Journal of Mechanical Science and Technology +3 Russ_ss 2026-03-25 5/250 2026-03-27 10:49 by ½С¹û»­´ó±ý
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ª´ó071010£¬316·ÖÇóµ÷¼Á +3 xgbiknn 2026-03-27 3/150 2026-03-27 10:36 by guoweigw
[¿¼ÑÐ] ²ÄÁÏѧ˶£¬Çóµ÷¼Á 6+5 ÌǺù«888ll 2026-03-22 10/500 2026-03-27 08:18 by hypershenger
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +8 Æ¥¿Ëi 2026-03-23 8/400 2026-03-27 08:11 by hypershenger
[¿¼ÑÐ] 085602 289·ÖÇóµ÷¼Á +8 WWWÎ÷Î÷¸¥Ë¹ 2026-03-24 8/400 2026-03-26 16:33 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 290·Öµ÷¼ÁÇóÖú +3 ¼ªÏéÖ¹Ö¹³Â 2026-03-25 3/150 2026-03-25 19:58 by barlinike
[¿¼ÑÐ] ÍøÂç¿Õ¼ä°²È«0839Õе÷¼Á +4 w320357296 2026-03-25 6/300 2026-03-25 17:59 by 255671
[¿¼ÑÐ] 0854AI CV·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-23 4/200 2026-03-25 17:04 by CoderLoser
[¿¼ÑÐ] 0854È˹¤ÖÇÄÜ·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-24 4/200 2026-03-25 13:29 by 2177681040
[¿¼ÑÐ] 293Çóµ÷¼Á +7 ¼ÓÒ»Ò»¾Å 2026-03-24 7/350 2026-03-25 12:02 by userper
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +6 yzysaa 2026-03-21 6/300 2026-03-25 09:27 by aa331100
[¿¼ÑÐ] 291Çóµ÷¼Á +3 HanBeiNingZC 2026-03-24 3/150 2026-03-24 16:34 by barlinike
[»ù½ðÉêÇë] Çë½ÌÏ´ó¼Ò 2026Äê¹ú¼Ò»ù½ðÉêÇëÊÇ˫äÉóÂ𣿠+3 lishucheng1 2026-03-22 5/250 2026-03-24 08:22 by gltch
[¿¼ÑÐ] ÇóÀÏʦÊÕÎÒ +3 zzh16938784 2026-03-23 3/150 2026-03-23 12:56 by ztnimte
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ071000£¬Çóµ÷¼Á +4 ÑØ°¶Óб´¿Ç6 2026-03-21 4/200 2026-03-22 07:21 by ilovexiaobin
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û