±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 909  |  »Ø¸´: 5

ÓãµÄÌì¿Õ

ʵϰ°æÖ÷

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

[ÇóÖú] ·Ö×ӽṹ¶Ô³ÆÓÃʲôӢÎÄÊõÓïÄØ£¿

Çë½Ì´ó¼Ò£º
      ÐÎÈÝÒ»¸ö»¯ºÏÎï·Ö×ӽṹ×óÓҶԳƣ¨¾ÍÊÇÕÛµþÆðÀ´¿ÉÒÔÎǺϣ¬ÕâÖÖÊÇ·ñ½Ð×öÊÖÐÔ¶Ô³ÆÄØ£¿£©£¬ÔÚÓ¢ÎÄÖÐÓ¦¸ÃÓÃÄĸö´Ê»ãÄØ£¿

лл~~
Óã¶ùË®ÖÐÓÎ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhesmaj

ʵϰ°æÖ÷

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
ÕæÇ¿±ØÊ¤: ½ð±Ò+1, ¶àл 2014-07-30 08:26:37
RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-08-12 09:14:09
¸ù¾ÝÂ¥Ö÷µÄÒâ˼£¬ÄãÖ¸µÄÊǶÔÓ³Òì¹¹Ì壺enantiomer¡£
thegreatesttalkerisalwaystheleastdoner
2Â¥2014-07-29 23:24:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

phu_grassman

½û³æ

¿ìÀÖµº¡¢²¼¼ªµºµºÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-07-30 19:57:16
RXMCDM: ½ð±Ò+1, ¶àлָÕý£¡ 2014-08-12 09:14:22
ÒýÓûØÌû:
2Â¥: Originally posted by zhesmaj at 2014-07-29 23:24:28
¸ù¾ÝÂ¥Ö÷µÄÒâ˼£¬ÄãÖ¸µÄÊǶÔÓ³Òì¹¹Ì壺enantiomer¡£

¶ÔÓ³Òì¹¹ÌåÊǽṹ»¥Îª¾µÏñµÄÁ½ÖÖ·Ö×ÓŶ¡£
3Â¥2014-07-30 12:51:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

phu_grassman

½û³æ

¿ìÀÖµº¡¢²¼¼ªµºµºÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-07-30 15:33:07
ÊÖÐԶԳƣ¿ÊÖÐÔÔ­×Ó²»Ó¦¸ÃÊÇÁ¬ÓÐ4¸ö²»Í¬µÄ»ùÍÅÂð£¿
4Â¥2014-07-30 12:52:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhesmaj

ʵϰ°æÖ÷

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
3Â¥: Originally posted by phu_grassman at 2014-07-30 12:51:28
¶ÔÓ³Òì¹¹ÌåÊǽṹ»¥Îª¾µÏñµÄÁ½ÖÖ·Ö×ÓŶ¡£...

àÅ£¬ÊÇ¡£ÎÒÏëÁËһϣ¬È·Êµ²»ÊǶÔÓ³Òì¹¹Ìå¡£
thegreatesttalkerisalwaystheleastdoner
5Â¥2014-07-31 09:43:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mac194

³¬¼¶°æÖ÷

ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡ÓÅÐ㣡£¡ÓÐľÓУ¡£¡£¡

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-08-01 00:34:23
ÓãµÄÌì¿Õ(RXMCDM´ú·¢): ½ð±Ò+2, ¶àлӦÖú£¡ 2014-08-12 09:15:01
[¸Ðл½±ÉÍ]

½¨Òéд:
  "a molecule symmetric about ___"  [¼ûÏÂ]

ÉîÈë½éÉÜ:
  https://chemistry.tutorvista.com ... cular-symmetry.html
Óлú»¯ºÏÎïÁ÷³Ì:
  https://www2.chemistry.msu.edu/f ... ymmetry/symmtry.htm
--------------------
·Ö×ӽṹ¶Ô³ÆÓÃʲôӢÎÄÊõÓïÄØ£¿
ÉîÈë½éÉÜ.jpg


·Ö×ӽṹ¶Ô³ÆÓÃʲôӢÎÄÊõÓïÄØ£¿-1
Óлú»¯ºÏÎïÁ÷³Ì.jpg

6Â¥2014-08-01 00:18:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÓãµÄÌì¿Õ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 309·Ö085801Çóµ÷¼Á +7 ѧԱGtwj7W 2026-03-31 7/350 2026-04-01 02:36 by BruceLiu320
[¿¼ÑÐ] 324·Ö 085600²ÄÁÏÓ뻯¹¤ +9 ´ô¶ìoor 2026-03-27 9/450 2026-04-01 00:46 by fmesaito
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +5 @taotao 2026-03-31 5/250 2026-03-31 23:08 by liu823948201
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©298µ÷¼ÁÇóÖú +3 ÔªÔªÇàÇà 2026-03-31 5/250 2026-03-31 19:58 by vgtyfty
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏʦ´ó0703»¯Ñ§ 275Çóµ÷¼Á +5 RipcordÉϰ¶ 2026-03-27 5/250 2026-03-31 19:52 by mg1014
[¿¼ÑÐ] 070300»¯Ñ§Çóµ÷¼Á +12 С»ÆÑ¼±¦ 2026-03-30 12/600 2026-03-31 19:15 by 253863592
[¿¼ÑÐ] 299Çóµ÷¼Á +8 àÅàÅàÅàÅ2 2026-03-27 8/400 2026-03-31 18:23 by lizhi8172
[¿¼ÑÐ] Çóµ÷¼Á ÉúÎïѧ 377·Ö +6 zzll03 2026-03-31 6/300 2026-03-31 17:33 by ÌÆãå¶ù
[¿¼ÑÐ] 311Çóµ÷¼Á +9 À¶ÔÂÁÁÁÁ 2026-03-30 9/450 2026-03-31 16:32 by yedezhan
[¿¼ÑÐ] 263Çóµ÷¼Á +3 DDDDuu 2026-03-27 3/150 2026-03-31 16:21 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 270Çóµ÷¼Á +3 С½Üpp 2026-03-31 4/200 2026-03-31 12:59 by wxiongid
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶£¬×Ü·Ö289·Ö +9 @taotao 2026-03-29 9/450 2026-03-30 22:29 by ÎÒÊÇС¿µ
[¿¼ÑÐ] 085602»¯¹¤Çóµ÷¼Á£¨331·Ö£© +8 111@127 2026-03-30 8/400 2026-03-30 21:23 by Ñо¿É®µ¼µ¼
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí ²ÄÁÏÇóµ÷¼Á +16 ÀîÀî²»·þÊä 2026-03-26 16/800 2026-03-30 17:47 by wangjy2002
[¿¼ÑÐ] 332Çóµ÷¼Á +6 @MZB382400 2026-03-28 6/300 2026-03-30 16:57 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] »·¾³¿ÆÑ§Ó빤³Ì334·ÖÇóµ÷¼Á +6 ÍõÒ»Ò»ÒÀÒÀ 2026-03-30 8/400 2026-03-30 11:52 by yjolah
[¿¼ÑÐ] 348Çóµ÷¼Á +6 СÀÁ³æ²»ÀÁÁË 2026-03-28 6/300 2026-03-30 10:29 by Evan_Liu
[¿¼ÑÐ] 343Çóµ÷¼Á085601 +3 ҪŬÁ¦Ñ§Ï°x 2026-03-29 3/150 2026-03-29 18:35 by wxiongid
[¿¼ÑÐ] 394Çóµ÷¼Á +3 ºÃʶàÄ¥¾²ºò¼ÑÒ 2026-03-26 5/250 2026-03-28 14:24 by ÌÆãå¶ù
[¿¼ÑÐ] 085405 ¿¼µÄ11408Çó¸÷λÀÏʦ´ø×ß +3 Qiuѧing 2026-03-28 3/150 2026-03-28 09:19 by ÀֺǺǵÄ×·ÃÎÈË
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û