Znn3bq.jpeg
²é¿´: 1293  |  »Ø¸´: 3

liuyueru

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] ʲôÊÇ inversion center ?????

ʲôÊÇ  inversion center ?????¾­³£ paper ÀïÃæ ³öÏÖÕâÑùµÄ´Ê£¬µ½µ×ÊÇʲôÒâË¼ÄØ¡·£¿£¿£¿£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

huahua1216

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡ï
liuyueru: »ØÌûÖö¥ 2011-12-06 15:55:31
lijunjie84(½ð±Ò+1): 2011-12-06 22:58:53
·´×ªÖÐÐÄ
¿ÉÄÜÎÒ·­ÒëµÄ²»¶Ô ºÇºÇ  ¸öÈËÀí½â¾ÍÊǾ§ÌåѧµÄ¶Ô³ÆÐÄ
2Â¥2011-12-06 14:58:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

weilanlily

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
liuyueru(½ð±Ò+2): 2011-12-06 21:37:33
lijunjie84(½ð±Ò+1): ллӦÖú£¡ÐÁ¿àÁË£¡ 2011-12-06 22:58:35
Ó¦¸Ã¾ÍÊÇÂ¥ÉϵÄÒâ˼£¬¾ÍÊǶԳÆÖÐÐĵÄÒâ˼
ÉúÃüÖ®ÃÕ¾ÍÊÇ£ºÎÒÃÇÔÚʲôµØ·½Ï³µ£¿×øÔÚÉíÅԵİéÂÂÔÚʲôµØ·½Ï³µ£¿ÎÒÃǵÄÅóÓÑÔÚʲôµØ·½Ï³µ£¿ÎÒÃÇÎÞ´ÓÖªÏþ......
3Â¥2011-12-06 20:18:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wormma

ľ³æ (ÕýʽдÊÖ)

One for All, All for One

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
lijunjie84(½ð±Ò+1): лл 2011-12-06 22:58:19
agree with upstairs. an inversion center means a symmetry operation of following:
(x,y,z)->(-x,-y,-z)
OneforAll,AllforOne
4Â¥2011-12-06 21:37:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ liuyueru µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 300Çóµ÷¼Á +11 ³Èa777 2026-04-15 11/550 2026-04-16 22:43 by cfdbai
[¿¼ÑÐ] Çóµ÷¼Á +8 СÄô°®Ñ§Ï° 2026-04-16 10/500 2026-04-16 22:06 by 1shin_ichi
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬320Çóµ÷¼Á +14 À§À§À§À§À¤À¤ 2026-04-14 16/800 2026-04-16 22:02 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬ÉúÎïѧ326Çóµ÷¼Á +9 Áõīī 2026-04-15 9/450 2026-04-16 17:14 by ´Þ´Þ´Þcccc
[¿¼ÑÐ] 26ҩѧר˶105500Çóµ÷¼Á +6 à¶¹þ¼ÓÓÍ 2026-04-13 7/350 2026-04-16 14:31 by zhouxiaoyu
[¿¼ÑÐ] 085404 22408 309·ÖÇóµ÷¼Á +9 lzmk 2026-04-14 10/500 2026-04-15 20:02 by ѧԱJpLReM
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +21 »ý¼«ÏòÉÏ£» 2026-04-10 23/1150 2026-04-15 12:50 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +12 ×ÓľÄÅ 2026-04-12 13/650 2026-04-14 01:19 by Íõ¬Bè±
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] ¿¼ÑÐÓ¢Ò»ÊýÒ»338·Ö +9 ³¤½­´óѧ¶«Ð£Çø 2026-04-13 10/500 2026-04-14 00:41 by Íõ¬Bè±
[¿¼ÑÐ] µ÷¼Á½áÊø +6 floriea 2026-04-12 8/400 2026-04-12 18:13 by zhouxiaoyu
[¿¼ÑÐ] 291Çóµ÷¼Á +8 ¹ØÒä±±. 2026-04-11 8/400 2026-04-12 09:32 by ÄæË®³Ë·ç
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸²ÄÁÏ¿ÆÑ§Ó빤³Ì985£¬365·Ö£¬ +8 ²Ä»¯Àî¿É 2026-04-11 10/500 2026-04-12 08:42 by 852137818
[¿¼ÑÐ] ±¾ÈËÅ®º¢ +7 ºðºð£¬ 2026-04-10 9/450 2026-04-11 14:45 by ACS Nano¡ª¡ª
[¿¼ÑÐ] 284Çóµ÷¼Á +12 archer.. 2026-04-10 13/650 2026-04-11 08:44 by zhq0425
[¿¼ÑÐ] ±¾¿Æ211 ¹¤¿Æ085400 280·ÖÇóµ÷¼Á ¿É¿çרҵ +11 LZH£¨µÈ´ýµ÷¼ÁÖÐ 2026-04-10 11/550 2026-04-11 08:39 by zhq0425
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤µ÷¼Á +12 ·ñ¼«Ì©À´2026 2026-04-10 13/650 2026-04-11 00:28 by wangjihu
[¿¼ÑÐ] 0858Çóµ÷¼Á 5+5 Gky09300550£¬ 2026-04-10 8/400 2026-04-10 19:13 by chemisry
[¿¼ÑÐ] ±¾9 Ò»Ö¾Ô¸Î÷¹¤´ó085601 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-10 16:57 by luoyongfeng
[¿¼ÑÐ] 282£¬µçÆø¹¤³Ìרҵ£¬Çóµ÷¼Á£¬²»Ìôרҵ +9 jggshjkkm 2026-04-10 9/450 2026-04-10 14:55 by ÄæË®³Ë·ç
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û