²é¿´: 1570  |  »Ø¸´: 5
±¾Ìû²úÉú 1 ¸ö ²©Ñ§EPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

jr2537

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] ÎïÀí»¯Ñ§:¹ØÓÚζÈÓëÈȵĸÅÄîÀí½â

ÎïÀí»¯Ñ§ÖжÔÓÚ"ÈÈ"ÊÇÕâÑù¶¨ÒåµÄ:ÈÈÊÇϵͳÓë»·¾³Ö®¼äÒòÎÂ²î¶ø´«µÝµÄÈÈÁ¿.ÊÇ·ñ¿ÉÀí½âΪ£ºÈȵÄÇý¶¯Á¦À´×ÔÓÚβ
¶ÔÓÚÀíÏëÆøÌåºãοÉÄæÅòÕ͹ý³Ì:W<0(ÅòÕÍ);data(U)=0(ÀíÏëÆøÌå¡¢ºãÎÂ)£¬ÔòQ>0¡£¿É¼û£¬ÓÉÓÚÊǺãιý³Ì£¬ÌåϵµÄζÈʼÖÕ±£³Ö²»±ä£¬²¢ÇÒµÈÓÚ»·¾³µÄζȣ¬ÏÔÈ»±íÃ÷ûÓÐÎÂ²î´æÔÚ£¬ÄÇôΪʲôÓÖÓÐQ>0ÄØ£¿
Çë¸÷λ´óϺ²»Áߴͽ̣¡Ð»Ð»£¡

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

c861630548

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÈÈÊÇÒÔÈÈÁ¦Ñ§Áã¶ÈΪÆðµãµÄ£¬¼´-287.3¶È£¬¶øÈÈÊÇÄÚÄܵÄÌåÏÖ
ÐÒ¸£ÊÇÐèҪѧϰºÍ×·ÇóµÄ¡£
4Â¥2012-10-15 12:11:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

dk1013

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
jr2537: ½ð±Ò+10, ²©Ñ§EPI+1, ¡ï¡ï¡ïºÜÓаïÖú, ÓеÀÀí,Àí½âÁË,·Ç³£¸Ðл! 2012-10-18 12:02:22
¿ÉÄæ¹ý³ÌÊÇ×¼¾²Ì¬¹ý³Ì£¬ÀíÏë×´¿öÓ¦¸ÃÊǹý³Ì½øÐеÄÎÞÏÞ»ºÂý¡£
ÆøÌå¶ÔÍâ×ö¹¦¶øÄÚÄܲ»±äµÄ»°£¬Èç¹ûÒªÄÜÁ¿Êغã¾Í»áÎüÈÈ¡£
ÏëÏóÕâ¸ö¹ý³ÌÔÚÓÐÏÞʱ¼äÄÚ·¢Éú£¬ÄÇô£¬ÆøÌåÔÚ¶ÔÍâ×ö¹¦µÄʱºò»áÎüÊÕÒ»µãµãµÄÈÈÁ¿£¬Ò²¾ÍÊÇ˵Õâ¸ö¹ý³ÌÆøÌåµÄζȻáÓÐÒ»¸ö²¨¶¯¡£
Èç¹ûÄã°Ñ¹ý³Ì½øÐеÄʱ¼äÀ­³¤Ò»µã£¬ÄÇÃ´ÆøÌåÔÚµ¥Î»Ê±¼äÄÚÎüÊյį½¾ùÈÈÁ¿»áÉÙÒ»µã£¬ÏàÓ¦µÄζȲ¨¶¯Ò²¾ÍÉÙÒ»µã¡£
Èç¹ûÄãÈÃÕâ¸öʱ¼äÇ÷ÓÚÎÞÇî´ó£¬ÄÇÃ´ÆøÌåζȵIJ¨¶¯¾Í»áÇ÷ÓÚ0£¬Í¬Ê±ÆøÌ嵥λʱ¼äÄÚµÄÎüÈÈÁ¿Ò²»áÇ÷ÓÚ0£¬µ«ÊÇ£¬ÆøÌåÎüÊÕµÄ×ÜÈÈÁ¿£¬
Ò²¾ÍÊǵ¥Î»Ê±¼äÄÚÎüÈÈÁ¿¶Ôʱ¼äµÄ»ý·ÖÊÇÒ»¸öºã¶¨Öµ¡£
˵°×Á˾ÍÊÇÒ»¸ö¶Ô×¼¾²Ì¬¹ý³ÌµÄÀí½â°É¡£
¸öÈ˼û½â£¬»¶Ó­ÌÖÂÛ¡£
µ½µÃ»¹À´±ðÎÞÊ ®ɽÑÌÓêÕã½­³±
2Â¥2012-10-15 11:44:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ll9999

ר¼Ò¹ËÎÊ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÓÐÁ½ÆªÎÄÕÂרÃÅ̸Õâ¸öÎÊÌ⣬¿´¿´ÊÇ·ñÓаïÖú£º
https://www.cnki.com.cn/Article/CJFDTotal-JXWL198708015.htm
https://mall.cnki.net/magazine/Article/FYSZ199503010.htm
3Â¥2012-10-15 12:05:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

alianna

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by c861630548 at 2012-10-15 12:11:58
ÈÈÊÇÒÔÈÈÁ¦Ñ§Áã¶ÈΪÆðµãµÄ£¬¼´-287.3¶È£¬¶øÈÈÊÇÄÚÄܵÄÌåÏÖ

Õâ¸ö»Ø´ðÊÇÃ÷ÏÔ²»¶ÔµÄ¡£
5Â¥2012-10-17 02:28:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 289Çóµ÷¼Á +15 ˶ÐǸ° 2026-03-23 15/750 2026-03-26 02:16 by BruceLiu320
[¿¼ÑÐ] 292Çóµ÷¼Á +7 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 8/400 2026-03-26 00:22 by Dyhoer
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó£¬085400£¬320£¬Çóµ÷¼Á +4 gdlf9999 2026-03-24 4/200 2026-03-25 23:01 by boxking200
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí-080500 ²ÄÁÏÇóµ÷¼Á +4 ÀîÀî²»·þÊä 2026-03-25 4/200 2026-03-25 21:26 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ÉúÎï¼¼ÊõÓ빤³Ì +3 1294608413 2026-03-25 4/200 2026-03-25 18:02 by 1294608413
[¿¼ÑÐ] 302Çóµ÷¼Á +4 ½õÒÂÎÀÌÙ½· 2026-03-25 4/200 2026-03-25 16:29 by ¹¦·ò·è¿ñ
[¿¼ÑÐ] 0854È˹¤ÖÇÄÜ·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-24 4/200 2026-03-25 13:29 by 2177681040
[¿¼ÑÐ] ²ÄÁÏѧ˶£¬Çóµ÷¼Á 6+4 ÌǺù«888ll 2026-03-22 9/450 2026-03-25 11:19 by greychen00
[¿¼ÑÐ] ¿¼Ñл¯Ñ§308·ÖÇóµ÷¼Á +10 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 11/550 2026-03-25 10:23 by userper
[¿¼ÑÐ] 340Çóµ÷¼Á +5 »°Ã·ÌÇ111 2026-03-24 5/250 2026-03-25 06:53 by ilovexiaobin
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ª´ó»¯Ñ§322Çóµ÷¼Á +4 17501029541 2026-03-23 6/300 2026-03-24 10:21 by ´÷Χ²±µÄСÎÃ×Ó
[¿¼ÑÐ] Çóµ÷¼Á +7 Ê®Èý¼ÓÓÍ 2026-03-21 7/350 2026-03-23 23:48 by ÈÈÇéɳĮ
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ 070300 ѧ˶ 336·Ö Çóµ÷¼Á +7 vvÃÔ 2026-03-22 7/350 2026-03-23 23:44 by Txy@872106
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸º£´ó£¬0703»¯Ñ§Ñ§Ë¶304·Ö£¬Óдó´´ÏîÄ¿£¬Ëļ¶Òѹý +6 ÐÒÔËÁ¨Á¨ 2026-03-22 10/500 2026-03-22 20:10 by edmund7
[¿¼ÑÐ] 285Çóµ÷¼Á +6 ytter 2026-03-22 6/300 2026-03-22 12:09 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 22 350 ±¾¿Æ985Çóµ÷¼Á£¬ÇóÀϵÇÊÕÁô +3 ÀîéóÄÐ003 2026-03-20 3/150 2026-03-21 13:28 by ²«»÷518
[¿¼ÑÐ] 085601µ÷¼Á 358·Ö +3 zzzzggh 2026-03-20 4/200 2026-03-21 10:21 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁÏÇóµ÷¼Á£¬×Ü·Ö315£¨Ó¢Ò»£© +5 sbdksD 2026-03-19 5/250 2026-03-20 22:10 by luoyongfeng
[¿¼ÑÐ] 295²ÄÁÏÇóµ÷¼Á£¬Ò»Ö¾Ô¸Î人Àí¹¤085601ר˶ +5 Charlieyq 2026-03-19 5/250 2026-03-20 20:35 by JourneyLucky
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û