24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1169  |  »Ø¸´: 33

»ÆÐ˱õ

Í­³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾°æÎñ¡¿ÎïÀí°æ=ºÚ°ï°æ ÒÑÓÐ15È˲ÎÓë

ÇëÎÊ£º°æÖ÷¸ù¾Ýʲô¹Ø±ÕÎÒµÄÖ÷Ìù¡£Ï£ÍûÄãÓоßÌåµÄÕë¶ÔÐÔµÄÔ­Òò¡£Ô­±¾ÒÔΪÕâÀïÓÐÒ»¶¨µÄ×ÔÓÉѧÊõÌÖÂÛ£¬¿´À´Ò²ÊÇÒÔѧÊõºÚ°ïµÄ·½Ê½¹ÜÀí¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

e102840

ľ³æ (ÖøÃûдÊÖ)

A Hiker

ÎÒ¾õµÃûÓбØÒªÉ¾°É
·¢ÔÚÄÇÀï
¿ÉÒÔÑ¡Ôñ²»¿´
Ö»Òª·¢µÄ²»ÊǺܶà
ÎÒ¾õµÃ»¹ÊÇûʲôӰÏìµÄ
ÔÙ˵ÁË
¿ÉÒÔÓÃÀ´ÑµÁ·´ó¼Ò¿´ÎÊÌâµÄÄÜÁ¦~
»¹Î´ÄêÇᣬ¾ÍÒÑÀÏÈ¥¡­¡­
2Â¥2010-04-22 12:29:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhixian-ma

ľ³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
¼æÈݲ¢°ü£¬Ö»Òª²»ÊÇÌ«¹ý·ÖµÄÄÚÈÝ£¬Ê²Ã´Ãñ¿Æ²»Ãñ¿ÆµÄ£¬Ã»ÈËÀí»á×ÔÈ»»á³ÁÏÂ......
´æÔÚ¼´ºÏÀí£¬ºÇºÇ
¾²£¬¼ó£¬Îò£¬Éú£¬³É
3Â¥2010-04-22 12:35:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

»ÆÐ˱õ

Í­³æ (СÓÐÃûÆø)

¾ÍÊÇÄãËù˵µÄ¹ËÎÊ£¬±çÂÛ²»¹ý¾Í·âÌû×Ó£¬ÄóöÄã¹ËÎʾßÌåµÄÀíÓÉ
4Â¥2010-04-22 13:35:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

»ÆÐ˱õ

Í­³æ (СÓÐÃûÆø)

¾ÍÊǸù¾ÝÕâÎÞÖªµÄ¹ËÎÊ

¾Í¸ù¾Ý¡¾attractor¡¿ÕâÐſڿªºÓµÄÅúÆÀ£¿£¿£¿

ÒÔÏÂÊÇ¡¾attractor¡¿µÄÆÀÂÛ

1.¡°¦Â=v/c£¬·¶Î§ÔÚ0¡ª¡ª1Ö®¼ä£¬Æ¾Ê²Ã´¾Í½üËÆÎª0ÁË£¿£¿£¿£¿¡±
Äã²»ÊÇÒª»Øµ½¾­µäÇé¿öÂ𣿾­µäÇé¿öÏÂv<
2.¡°¦Â=v/c=0.9ʱ£¬¦ÈsÔ¼154¶È£¬ÊDz»¿ÉÄܽüËÆÎª90¶ÈµÄ¡£¡±
¦Â=0.9ʱ¾Í²»Äܱ»¿´×öÊǾ­µäÇé¿ö£¬ÄÇÄ㻹¸ø³ö¹«Ê½£¨3£©¸Éʲô£¿Ö±½ÓÓù«Ê½£¨1£©¾ÍÍêÊ¡£
¡°cos¦Ès=-¦Âʱ£¨È磺Լ154¶È£©£¬¾­µä¶àÆÕÀÕЧӦµ±È»²»»á³öÏÖ£º¦Èo=¦Ð/2¡£¡±
Èç¹û¦ÈsÔ¼154¶È£¬¾Í²»ÊǾ­µäÇé¿ö£¬µ±È»µÃ²»³ö¦Èo=¦Ð/2¡£

3.ʽ£¨3£©ºó°ë²¿·ÖûÓÐ´í¡£ÓÃÄãµÄ»°À´½²£¬¡°¸ù¾ÝÔ´×ԽܿËÑ·µÄ¾­µäµç¶¯Á¦Ñ§¡£Èç¹ûÄãÈÏΪ´íÁË£¬ÇëÖ¸³ö´íÔÚÄÄÀï¡£¡±
¡°ÄÇÄãµÄ½á¹ûΪ£º¦Øo=¦Øs(1-¦Â¦Â£©¡£ÔõôÕöÑÛ˵ÊÇ0£¿¡±
ÀíÓÉͬÉÏ£¬¾­µäÇé¿öϦÂÊÇСÁ¿£¬¦Â¦Â×÷Ϊ¶þ½×СÁ¿¿ÉÒÔÂÔµô¡£

4.¡°Ä㲻ҪΪ²µµ¹ÎÒ¶øÎ¥Ðĵزµµ¹ÎÒ¡±
²µµ¹ÄãÄܸøÎÒ´øÀ´²Æ¸»£¿¿ì¸Ð£¿ÓÐÄÇô´óÒâÒåÂ𣿵¹ÊǰæÖ÷¸øÁ˼¸¸ö½ð±Ò£¬ÐèÒªµÄ»°¶¼¸øÄã¡£Ö»ÊÇ¿´µ½Äã´íÎóÃ÷ÏÔ£¬È̲»×¡ÊÖÑ÷¶øÒÑ¡£
==================================================
ÇëÎʰæÖ÷Äãѧ¹ýÎïÀí°É£¿Ã»Ñ§¹ýÄã¿ÉÒÔ²é²éÊé¡£¿´¿´ÕâÑùµÄÆÀÂÛÊÇ·ñÓиù¾Ý
¡¾1.¡°¦Â=v/c£¬·¶Î§ÔÚ0¡ª¡ª1Ö®¼ä£¬Æ¾Ê²Ã´¾Í½üËÆÎª0ÁË£¿£¿£¿£¿¡±
Äã²»ÊÇÒª»Øµ½¾­µäÇé¿öÂ𣿾­µäÇé¿öÏÂv< ÇëÎÊ£º½Ü¿ËÑ·¸ø³öµÄ¾­µä¶àÆÕÀÕЧӦ¹«Ê½ÖУ¬ÓÐÕâÑùµÄÏÞÖÆÃ´£¿£¿
v<
==================================================
¡¾2.¡°¦Â=v/c=0.9ʱ£¬¦ÈsÔ¼154¶È£¬ÊDz»¿ÉÄܽüËÆÎª90¶ÈµÄ¡£¡±
¦Â=0.9ʱ¾Í²»Äܱ»¿´×öÊǾ­µäÇé¿ö£¬ÄÇÄ㻹¸ø³ö¹«Ê½£¨3£©¸Éʲô£¿Ö±½ÓÓù«Ê½£¨1£©¾ÍÍêÊ¡£
¡°cos¦Ès=-¦Âʱ£¨È磺Լ154¶È£©£¬¾­µä¶àÆÕÀÕЧӦµ±È»²»»á³öÏÖ£º¦Èo=¦Ð/2¡£¡±
Èç¹û¦ÈsÔ¼154¶È£¬¾Í²»ÊǾ­µäÇé¿ö£¬µ±È»µÃ²»³ö¦Èo=¦Ð/2¡£¡¿
================================================
ºáÏò¶àÆÕÀÕЧӦ¾ÍÊÇÏà¶ÔÂÛ¶àÆÕÀÕЧӦ¹«Ê½Óë¾­µä¶àÆÕÀÕЧӦ¹«Ê½µÄ±È½Ï¡£¦Â=0.9ʱ¾Í²»ÄܱȽÏô£¿¡¾¦Â=0.9ʱ¾Í²»Äܱ»¿´×öÊǾ­µäÇé¿ö¡¿ÕâÖÖ˵·¨ºÜÎÞÖª£¬¦Â=0.9ʱÏà¶ÔÂÛЧӦ¸üÃ÷ÏÔ¸üÊʺÏÏà¶ÔÂÛÀíÂÛ£¬¾­µäÀíÂÛ¼ÆËãµÄÎó²î´ó£¬µ«Ò»Ñù¿ÉÒÔ°´ÕÕ¾­µäÌõ¼þ¼ÆËã±È½Ï¡£Ôõô´æÔÚÄܲ»Äܱ»¿´×öÊǾ­µäÇé¿öµÄÌá·¨£¿

¡¾Ö±½ÓÓù«Ê½£¨1£©¾ÍÍêÊ¡£¡¿Ö±½ÓÓÃÏà¶ÔÂÛ¼ÆË㻹ÈçºÎ±È½Ï¾­µäÓëÏà¶ÔÂÛµÄÇø±ð£¿»¹ÈçºÎÑéÖ¤Ïà¶ÔÂÛµÄÕýÈ·£¿£¿ÕâÑùÎÞÖªµÄÆÀÂÛÒ²ÄÜ˵³öÀ´£¿ÎÒÕæ²»ÖªÈçºÎ·´²µ£¿£¿
================================================

²»Öª°æÖ÷ΪºÎϲ»¶Õ¾ÔÚÎÞÖªµÄÁ¢³¡ÉÏ£¡£¡£¡£¡£¡£¡
5Â¥2010-04-22 13:37:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

»ÆÐ˱õ

Í­³æ (СÓÐÃûÆø)

»¹ÊÇÕâλµÄ

Äã×Ô¼ºÐÅ·þÄãµÄ½âÊÍô£¿

=============================================
¡¾¡°¶¯Ïµt'=0ʱ¿Ì£¬A\BÁ½µãͬʱÉÁ¹â£¬¾²Ïµ¹Û²âµ½£ºA´¦ÔçÉÏÉÁµÄ£¬B´¦ÍíÉÏÉÁµÄ¡£¡±
ÊÂʵÉϲ»´æÔÚÕâÑùµÄÁ½¸ö²Î¿¼Ïµ£¬Èç¹û¶¯ÏµABµãͬʱÉÁ¹â£¬¾²Ïµ»áͬʱ¹Û²ìµ½¡£
¡¿
==============================================
ÕâÒ»µã£¬ÎÒͬÒâÄãµÄ¹Ûµã£¬µ«Ã»ÓÐÒÀ¾Ý¡£ËùÒÔ²»¸ÒÖ±½Ó˵£¬Äã¸ù¾ÝÊ²Ã´ÄØ£¿ÕâÒ»ÖØÒª½áÂÛ¿ÉÒÔÖ±½ÓÍÆ·­Ïà¶ÔÂÛ¡£Óе㵣ÐĵÄÊÇÄãÒ»¾ä»°·ñ¶¨Á˰®Òò˹̹µÄ¡®Í¬Ê±µÄÏà¶ÔÐÔ¡¯£¬±ð°Ñ°®ÒòË¹Ì¹Æø»îÁË£¡£¡£¡£¡£¡£¡£¡£¡£¡
--------------------------------------------------------------------------------------------------------
¿ÉÄÜÎÒÌ«ÓÞ¶ÛÁË£¡£¡£¡£¡¿´ÄãµÄ½âÊͰÑͬʱµÄÏà¶ÔÐÔ¶¼¸ø·ñ¶¨ÁË¡£
6Â¥2010-04-22 13:39:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

»ÆÐ˱õ

Í­³æ (СÓÐÃûÆø)

ÎÒÒª°æÖ÷½âÊÍ·âÌû×ӵľßÌåÀíÓÉ£¡£¡
7Â¥2010-04-22 13:41:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

attractor

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ÒýÓûØÌû:
Originally posted by »ÆÐ˱õ at 2010-04-22 13:41:49:
ÎÒÒª°æÖ÷½âÊÍ·âÌû×ӵľßÌåÀíÓÉ£¡£¡

ÉÏÎçûÀ´£¬Õâ¸ö¼Å¾²µÄ°æ¿éºÃÏñ±»Äã½ÁµÄºÜÈÈÄÖ¡£ÄãÕâÊǺαØÄØ£¿ÓÃÄã×Ô¼ºµÄ»°½²£¬¡°·ßÅ­²»´ú±íÕýÈ·¡±¡£

ÎҵĹ۵ãÄãÍêÈ«¿ÉÒÔ²»½ÓÊÜ£¬²»±ØÏñ´òÁ˼¦ÑªÒ»Ñù¿º·Ü¡£

ÄãµÄÌû×Ó±»·â£¬ÎÒÈÏΪÊÇÓеÀÀíµÄ¡£»ØÍ·¿´ÁËÒ»ÏÂÄãÔ­À´µÄÌû×Ó£¬ÆäÖÐÓÐһЩº¬ÓÐÈËÉí¹¥»÷ÒâζµÄ´Ê¾ä£¬Ö»ÊÇÎÒµ±Ê±Ã»Àí»á¶øÒÑ£¬±ÈÈ磺¡°Ç롾attractor ¡¿ÍøÓѲ»ÒªÐſڿªºÓ£¡°ÑÍ·Éì³öÀ´¡£ÎÒµÄÎÊÌâαÔÚÄÇÀ£¿¡±
¸ñµ÷¾ÍÊǺȿ§·Èʱ·Åµã¶ù´Ð»¨
8Â¥2010-04-22 14:04:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

»ÆÐ˱õ

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by attractor at 2010-04-22 14:04:17:


ÉÏÎçûÀ´£¬Õâ¸ö¼Å¾²µÄ°æ¿éºÃÏñ±»Äã½ÁµÄºÜÈÈÄÖ¡£ÄãÕâÊǺαØÄØ£¿ÓÃÄã×Ô¼ºµÄ»°½²£¬¡°·ßÅ­²»´ú±íÕýÈ·¡±¡£

ÎҵĹ۵ãÄãÍêÈ«¿ÉÒÔ²»½ÓÊÜ£¬²»±ØÏñ´òÁ˼¦ÑªÒ»Ñù¿º·Ü¡£

ÄãµÄÌû×Ó±»·â£¬ÎÒÈÏΪÊÇÓеÀÀíµÄ¡£»ØÍ·¿´ÁËÒ» ...

ûʲô·ßÅ­ºÍÐ˷ܵ졼ûµÄ¶àÁË£¬Ö»ÊÇÈôó¼Ò¿´¿´Ä³Ð©È˵ÄÁíÒ»Ãæ¡£ÓеãСȨÀû£¬¾Í»áÂÒÓ㬷âÌù£¬Ãñ¿ÆÌù¡£ÓÐʲô¸ù¾Ý£¿£¿£¿£¿£¿£¿

˵ÎÒ¹¥»÷Ä㣿£¿Äã²»Óøù¾Ý£¬²»ÓÃÀíÓÉ£¬¾Í¶Ï¶¨ÎÒµÄÌû×ÓÊÇ¡®Î±ÃüÌ⡯£»È»ºóÒ»×ßÁËÖ®¡£¡ª¡ªÄѵÀÎÒÓÃÐſڿªºÓÀ´ÆÀ¼Û£¬ÈÃÄãÉìÍ·»Ø´ðÊǹ¥»÷ô£¿¾ÍËãÊÇÎÒ¿ÉÒÔɾµô£¬µÀǸ¡£µ«ÕâµÈÓÃÃñ¿ÆÌùµÈÎ¥±³¿ÆÑ§¾«ÉñµÄ·âÌù×ö·¨ÊÇʲôÐÐΪ£¿£¿£¿£¿£¿



Ϊʲô²»°Ñ¾«Á¦ÓÃÔÚÕæÕýµÄѧÊõÉÏ£¿£¿£¿£¿£¿£¿£¿£¿
9Â¥2010-04-22 14:18:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

»ÆÐ˱õ

Í­³æ (СÓÐÃûÆø)

ÎÒµ¹ÏëÌýÌý£º·âÎÒÌû×ӵľßÌåµÀÀí£¿£¿£¿£¿£¿£¿£¿£¿£¿£¿

Ò²Èôó¼Ò¿´¿´£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡
10Â¥2010-04-22 14:24:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ »ÆÐ˱õ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 297Çóµ÷¼Á +14 GENJIOW 2026-04-07 15/750 2026-04-07 23:30 by JourneyLucky
[¿¼ÑÐ] 301Çóµ÷¼Á +18 121. 2026-04-04 18/900 2026-04-07 17:49 by À¶ÔÆË¼Óê
[˶²©¼ÒÔ°] 0856²ÄÁÏ»¯¹¤Çóµ÷¼Á£¬Ò»Ö¾Ô¸211£¬³õÊԳɼ¨349 +4 ½­»´±±Ô 2026-04-05 4/200 2026-04-06 22:44 by chenzhimin
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼Á +7 À­ÌáÌÒ 2026-04-06 7/350 2026-04-06 18:55 by 52305043001
[¿¼ÑÐ] »úеר˶274Çóµ÷¼Á£¬²»ÌôרҵѧУ +6 ·º·º2333 2026-04-05 8/400 2026-04-06 18:06 by ·º·º2333
[¿¼ÑÐ] 319Çóµ÷¼Á +3 handrui 2026-04-05 3/150 2026-04-06 09:33 by jp9609
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +13 ŬÁ¦·Ü¶·112 2026-04-04 13/650 2026-04-06 07:13 by jj987
[¿¼ÑÐ] »¯Ñ§0703-Ò»Ö¾Ô¸211-338·ÖÇóµ÷¼Á +8 vants 2026-04-05 8/400 2026-04-06 06:17 by houyaoxu
[¿¼ÑÐ] 301Çóµ÷¼Á +3 XYPLR 2026-04-05 4/200 2026-04-05 19:07 by XYPLR
[¿¼ÑÐ] 277Çóµ÷¼Á +5 ¿¼Ñе÷¼Álxh 2026-04-05 5/250 2026-04-05 19:03 by chy09050039
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +8 ÏàÐűػá¹ââÍòÕ 2026-04-05 10/500 2026-04-05 12:19 by Hdyxbekcb
[¿¼ÑÐ] ÇóÉúÎïѧѧ˶µ÷¼Á¡ª¡ª364·Ö +7 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 7/350 2026-04-04 22:49 by zhyzzh
[¿¼ÑÐ] 321Çóµ÷¼Á +13 ÈÏÕæÇóÉÏѧ 2026-04-02 13/650 2026-04-04 18:23 by macy2011
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +10 @taotao 2026-04-03 10/500 2026-04-04 09:01 by T¿É¿ÉÎ÷ÀïT
[¿¼ÑÐ] »¯¹¤Çóµ÷¼Á +11 ÀóÏã֥ʿҬÄÌ 2026-04-03 11/550 2026-04-03 22:06 by à£à£à£0119
[¿¼ÑÐ] 266Çóµ÷¼Á +3 08µçÆø¹¤³Ì 2026-04-03 3/150 2026-04-03 14:05 by 1753564080
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õ´óѧ0817»¯Ñ§¹¤³ÌÓë¼¼Êõ£¬Çóµ÷¼Á +14 ÎÒ²»ÊÇÖ»Òò 2026-04-02 15/750 2026-04-03 09:49 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸¸´µ©²ÄÁÏ£¬Ó¢Ò»×¨Ë¶£¬×Ü·Ö357µ÷¼Á +4 1050389037 2026-04-02 5/250 2026-04-02 21:40 by dongzh2009
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +10 ÔÂÔÂÄñľ 2026-04-01 10/500 2026-04-02 12:57 by wxiongid
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +9 hyzzzzzzz. 2026-04-01 9/450 2026-04-01 14:20 by salamander`
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û