Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 957  |  »Ø¸´: 13
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

p1801321

½ð³æ (ÖøÃûдÊÖ)

[½»Á÷] 20½ð±ÒÇóÖú£ºÒª¿¼²©ÁË£¬Ò»µÀÀúÄ꿼Ìâ²»»á£¬´ó¼Ò°ï°ïæ°¡£¬10·ÖµÄÌâ°¡

20½ð±ÒÇóÖú£ºÒª¿¼²©ÁË£¬Ò»µÀÀúÄ꿼Ìâ²»»á£¬´ó¼Ò°ï°ïæ°¡£¬10·ÖµÄÌâ°¡£¬ÕâÀàÐÍÌâÄ¿¼¸ºõÿÄê±Ø¿¼µÄ
ÎÒÏëÓ¦¸Ã²»»áÌ«ÄѰÉ
ÎÒ½«Îª¸ø°ïæµÄÅóÓÑÒ»µã½ð±Ò³êл°¡
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

p1801321

½ð³æ (ÖøÃûдÊÖ)

лл2Â¥»Ø´ðÎÒ£¬¸Ã¿Õ¼äȺµÄÏû¹â¹æÂÉÊÇ£º
(h00): h=2n+1; (0k0): k=2n+1

µ«ÊÇÇó³ödÖµºó£¬Ôõô·Ö±ðµÃµ½h,k,lµÄֵĨ£¿£¿
µ¥µ¥´Ód=[(h/a)^2+(k/b)^2+(l/c)^2]^(-1/2) Õâ¸öʽ×ӵò»³ö½âÀ´°É£¿

°ï°ïæŶ£¬Ð»Ð»ÄãÁË
3Â¥2008-03-08 19:01:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 14 ¸ö»Ø´ð

Ëï?ª730

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷


ÏÈÈ·¶¨¸Ã¿Õ¼äȺµÄÏû¹â¹æÂÉ£¬
Ò²¾ÍÊÇÈ·¶¨¸Ã¿Õ¼äȺÂú×ãÑÜÉäÌõ¼þµÄh k lµÄÌØÊâ¹ØÏµ£¬
Óɲ¼À­¸ñ·½³Ì2dsin¦È£½n ¦Ë£¬µÃµ½  n ¦Ë/2d ¡Üsin26¡ã£»
dÊÇh k lµÄº¯Êý£¬Çó²»µÈʽµÄ½â£¬²¢Âú×ãÏû¹âÌõ¼þ¼´¿É£¬
Èç¹ûû¼Ç´íµÄ»°£¬¸ÃȺµÄ¦Á¡¡¦Â¡¡¦Ã¶¼ÊÇ90¡ã£¬
ËùÒÔ£¬¡¡d=[(h/a)^2+(k/b)^2+(l/c)^2]^(-1/2)£¬
¿Õ¼äȺµÄÏû¹â¹æÂÉ£¬ÎҼDz»ÇåÁË£¬
¼¸¸öÔ²»¿´£¬¾Í¼Ç²»Ç壬¿´À´ÊÇÀÏÁË£¡
ÊÖͷҲûÓÐÒ»±¾Ê飡
ÎÒ¾¡Á¿¸øÄãÕÒ°É£¡
sunyu730_emuch@126.com
2Â¥2008-03-08 18:33:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ëï?ª730

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷


½âµÄÊDz»µÈʽ£¬
°Ñd´úÈçÉÏÃæµÄ²»µÈʽ°¡£¡
ÕÒµ½Âú×ãÌõ¼þµÄ×î´óh k l¾ÍÐÐÁË£¡
nÓ¦¸ÃÈ¡1¡£
sunyu730_emuch@126.com
4Â¥2008-03-08 19:24:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ëï?ª730

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷


??????????????????????????????
????????????¨¿???h k l???????????????????????
????§Ö??
??????????

?????20???????????
??????????????ï{
??????????????????????????????
?????????¨²¨®?????

[ Last edited by ????730 on 2008-3-8 at 19:36 ]
sunyu730_emuch@126.com
5Â¥2008-03-08 19:31:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0703×Ü·Ö331Çóµ÷¼Á +17 ZY-05 2026-04-04 21/1050 2026-04-08 10:16 by screening
[¿¼ÑÐ] »·¾³×¨Ë¶µ÷¼Á +13 »á˵»°µÄÖâ×Ó 2026-04-06 13/650 2026-04-08 07:00 by lijunpoly
[¿¼ÑÐ] 326·Ö£¬Ò»Ö¾Ô¸»¦9£¬ÇóÉúÎïѧµ÷¼Á +4 Áõīī 2026-04-05 4/200 2026-04-08 06:22 by lijunpoly
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +5 ÏàÐűػá¹ââÍòÕ 2026-04-07 6/300 2026-04-08 00:19 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí³µÁ¾×¨Ë¶×Ü·Ö 281 Çóµ÷¼Á +4 Éϰ¶Ñо¿Éú. 2026-04-02 4/200 2026-04-07 09:52 by ¼ÓÓÍÏòδÀ´°¡
[¿¼ÑÐ] 302·ÖÇóµ÷¼Á Ò»Ö¾Ô¸°²»Õ´óѧ085601 +12 zyxÉϰ¶£¡ 2026-04-04 12/600 2026-04-07 02:09 by BruceLiu320
[¿¼ÑÐ] 085600£¬321·ÖÇóµ÷¼Á +14 ´ó²öС×Ó 2026-04-04 15/750 2026-04-06 22:58 by qlm5820
[¿¼ÑÐ] Çóµ÷¼Á +4 wos666 2026-04-03 5/250 2026-04-06 15:22 by wos666
[¿¼ÑÐ] 362Çóµ÷¼ÁÒ»Ö¾Ô¸ÖйúʯÓÍ´óѧ +4 ÎÒÒª¿¼´ó 2026-04-06 6/300 2026-04-06 14:11 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 298·Ö 070300Çóµ÷¼Á +15 zwen03 2026-04-02 15/750 2026-04-05 12:52 by Hdyxbekcb
[¿¼ÑÐ] Ò»Ö¾Ô¸µç×ӿƼ¼´óѧ085600²ÄÁÏÓ뻯¹¤ 329·ÖÇóµ÷¼Á +10 Naiko 2026-04-04 10/500 2026-04-05 09:40 by sam3303
[¿¼ÑÐ] 326·ÖÇóµ÷¼Á +3 ÓÚÊǺõÄØ 2026-04-01 5/250 2026-04-03 14:23 by ÓÚÊǺõÄØ
[¿¼ÑÐ] ר˶085601Çóµ÷¼Á +7 suyifei 2026-04-03 8/400 2026-04-03 14:00 by ÐÀϲ777
[¿¼ÑÐ] ²ÄÁÏ¿¼Ñе÷¼Á +10 Gs´óÍõ 2026-04-02 10/500 2026-04-03 09:47 by ÒÅÍüÏûʧµÄž™
[¿¼ÑÐ] 302Çóµ÷¼Á +9 zyxÉϰ¶£¡ 2026-04-02 9/450 2026-04-02 23:07 by Âí¶ù¿ì¿ìµØÅÜ
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼²ÄÁÏ¿ÆÑ§Ó빤³Ì288·Ö£¬Çóµ÷¼Á +14 Êdz½°¡ 2026-04-02 14/700 2026-04-02 21:10 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ·¶´óѧ-22408¼ÆËã»ú-292·Ö-Çó»ªÄÏʦ·¶´óѧµ÷¼Á +4 °®¶ÁÊéµÄСöùÓã 2026-04-02 4/200 2026-04-02 18:35 by Çóµ÷¼Ázz
[¿¼ÑÐ] Çóµ÷¼Á 302·Ö³õÊÔ 0854 +5 Áæ¿ÉÀÖ 2026-04-02 5/250 2026-04-02 17:53 by ±ÊÂä½õÖÝ
[¿¼ÑÐ] 324Çóµ÷¼Á +5 ÏëÉÏѧÇóµ÷ 2026-04-01 6/300 2026-04-02 10:16 by sanrepian
[¿¼ÑÐ] Ò»Ö¾Ô¸346ÉϺ£´óѧÉúÎïѧ +3 ÉϺ£´óѧ346µ÷¼Á 2026-04-01 3/150 2026-04-02 08:36 by w³æ³æ123
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û