²é¿´: 2427  |  »Ø¸´: 7
¡¾ÐüÉͽð±Ò¡¿»Ø´ð±¾ÌûÎÊÌ⣬×÷Õßœ?ܰ½«ÔùËÍÄú 20 ¸ö½ð±Ò

œ?ܰ

гæ (ÕýʽдÊÖ)

[ÇóÖú] ΢»·Ð³ÕñÇ»µÄгÕñ¼¶Êý£¬ÎïÀíº¬ÒåÊÇʲô ÒÑÓÐ3È˲ÎÓë

ÇëÎʸ÷λ´óÀУ¬

΢»·Ð³ÕñÆ÷µÄгÕñ·½³ÌÖУº2*pi*R*n=m*lamda£¬m±íʾгÕñ¼¶´Î¡£ÇëÎÊËûµÄÎïÀíº¬ÒåÊÇʲô¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

hustoe2011

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
гÕñ·½³Ì£º2*pi*R*n=m*lamda£¬Òà³ÆÎª×¤²¨Ìõ¼þ¡£
mΪ¼¶´Î£»
lamdaΪ¹â²¨²¨³¤£»
pi=¦Ð£»
R´ú±í°ë¾¶£»
2*pi*R±íʾ£¨Î¢»·Ð³ÕñÆ÷µÄ£©Öܳ¤£»
n±íʾµÄÊÇ£¨Î¢»·Ð³ÕñÆ÷µÄ£©²ÄÁϵÄÕÛÉäÂÊ¡£

2*pi*R*nΪ¹âÏßÔÚ΢»·Ð³ÕñÆ÷ÄÚ´«²¥Ò»ÖܵĹâ³Ì£¨=ÕÛÉäÂÊ*³¤¶È£©£¬¸Ã¹â³ÌΪ°ë²¨³¤µÄżÊý±¶£¨¼´²¨³¤µÄÕûÊý±¶£©£¬´ú±íµÄÊǹ²Õñ£¨¸ÉÉæ£©ÔöÇ¿¡£
ËæÐÄËùÓû²»Óâ¾Ø
2Â¥2020-10-26 11:27:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

œ?ܰ

гæ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by hustoe2011 at 2020-10-26 11:27:16
гÕñ·½³Ì£º2*pi*R*n=m*lamda£¬Òà³ÆÎª×¤²¨Ìõ¼þ¡£
mΪ¼¶´Î£»
lamdaΪ¹â²¨²¨³¤£»
pi=¦Ð£»
R´ú±í°ë¾¶£»
2*pi*R±íʾ£¨Î¢»·Ð³ÕñÆ÷µÄ£©Öܳ¤£»
n±íʾµÄÊÇ£¨Î¢»·Ð³ÕñÆ÷µÄ£©²ÄÁϵÄÕÛÉäÂÊ¡£

2*pi*R*nΪ¹âÏßÔÚ΢»·Ð³Õñ ...

ÇëÎÊÄú£¬¼¶´ÎµÄÎïÀíÒâÒåÊÇʲô£¿
3Â¥2020-10-26 15:44:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hustoe2011

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

???????:
3?: Originally posted by ??? at 2020-10-26 15:44:37
???????????¦Å???????????????...

m???????
ËæÐÄËùÓû²»Óâ¾Ø
4Â¥2020-10-26 16:36:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

œ?ܰ

гæ (ÕýʽдÊÖ)

ÎïÀíÒâÒåÊÇʲô£¬²é¹ýºÜ¶àÎÄÏ×£¬¶¼Ã»ÓÐ˵

·¢×ÔСľ³æAndroid¿Í»§¶Ë
5Â¥2020-10-26 16:48:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lpszk

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¾ÍÊÇģʽÊý£¬Ò²¾ÍÊǹ²Õñ·åµÄÁ¬ÐøÕûÊýÖµ¡£

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

ÌìµÀ³êÇÚ
6Â¥2020-11-08 19:47:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

rlafite

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

More than 97% of people are not suitable to study physics
7Â¥2020-11-09 05:43:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

œ?ܰ

гæ (ÕýʽдÊÖ)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
6Â¥: Originally posted by lpszk at 2020-11-08 19:47:38
¾ÍÊÇģʽÊý£¬Ò²¾ÍÊǹ²Õñ·åµÄÁ¬ÐøÕûÊýÖµ¡£

²»ºÃÒâ˼¸Õ¿´µ½»Ø¸´£¬Ð»Ð»Äú

·¢×ÔСľ³æAndroid¿Í»§¶Ë
8Â¥2020-11-22 12:23:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ œ?ܰ µÄÖ÷Ìâ¸üÐÂ
²»Ó¦Öú È·¶¨»ØÌûÓ¦Öú (×¢Ò⣺ӦÖú²Å¿ÉÄܱ»½±Àø£¬µ«²»ÔÊÐí¹àË®£¬±ØÐëÌîд15¸ö×Ö·ûÒÔÉÏ)
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 304Çóµ÷¼Á£¨085602Ò»Ö¾Ô¸985£© +10 »¯¹¤ÈË999 2026-03-09 10/500 2026-03-12 20:43 by Equinoxhua
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +3 ´Þwj 2026-03-12 4/200 2026-03-12 19:33 by Çóµ÷¼Ázz
[¿¼ÑÐ] £¨081700£©»¯Ñ§¹¤³ÌÓë¼¼Êõ-298·ÖÇóµ÷¼Á +9 11À²À²À² 2026-03-11 10/500 2026-03-12 17:15 by 11À²À²À²
[»ù½ðÉêÇë] ÃæÉϺÍÇà»ùÒ»ÑùÏÞ30Ò³²»ºÏÀí +4 wowsunflower 2026-03-10 6/300 2026-03-12 15:59 by Equinoxhua
[¿¼ÑÐ] 290 ²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +8 Nebulala 2026-03-08 8/400 2026-03-12 15:19 by wyb0328
[¿¼ÑÐ] 085701»·¾³¹¤³Ìר˶Çóµ÷¼Á +8 Ó×ÖÉÔ°´ó°à´òÊÖ 2026-03-08 8/400 2026-03-12 15:12 by ÿÌìÖ»°ÚһС»á
[¿¼ÑÐ] ±êÌâ:¼ñ©Ԥ¾¯|08¹¤¿Æ/09ũѧµ÷¼Á!Ó¢ÓïÒªÇóµÍ£¬¹ýÏß¼´Óлú»á! +9 Âí³¬·ÅÑÌ»¨ 2026-03-07 15/750 2026-03-12 14:07 by Âí³¬·ÅÑÌ»¨
[¿¼ÑÐ] 085600 ²ÄÁÏÓ뻯¹¤ 295 Çóµ÷¼Á +10 dream¡­¡­ 2026-03-10 12/600 2026-03-12 13:46 by dream¡­¡­
[¿¼ÑÐ] 290Çóµ÷¼Á +8 ADT 2026-03-11 8/400 2026-03-12 12:24 by ºÚ×ê×Ó
[¿¼ÑÐ] 0703»¯Ñ§Ò»Ö¾Ô¸211 ×Ü·Ö320Çóµ÷¼Á +3 Â꿨°Í¿¨°¡¹þ 2026-03-11 3/150 2026-03-11 22:25 by peike
[¿¼ÑÐ] ÆüѪߵÇóµ÷¼Á¶÷£¬Ô¸ÒÔµ¤Ðı¨Ê¦¶÷ +5 Iuruoh 2026-03-11 5/250 2026-03-11 16:19 by ůÑô·Ò·¼
[¿¼ÑÐ] 293Çóµ÷¼Á£¬Ò»Ö¾Ô¸ÉÂʦ´óÉúÎïѧ +3 ??????.?.??? 2026-03-09 3/150 2026-03-11 10:02 by ѧԱ8dgXkO
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +6 ºôºô£¿~+123456 2026-03-08 8/400 2026-03-10 11:36 by ºôºô£¿~+123456
[¿¼ÑÐ] 293Çóµ÷¼Á +4 Éϰ಻׿ª 2026-03-09 4/200 2026-03-09 22:43 by bingxueer79
[˶²©¼ÒÔ°] 2026¼¶Ë¶Ê¿Ñо¿ÉúÕÐÉú/µ÷¼Á +3 Öª×ã³£ÀÖµÄÀÖ 2026-03-06 5/250 2026-03-09 20:56 by ľ¹Ï¸à
[¿¼ÑÐ] ¿¼Ñе÷¼Á£¬Ò»Ö¾Ô¸É½¶«´óѧ²ÄÁÏÓ뻯¹¤£¬328·Ö£¬ÕþÖÎ51 +5 ¹ØÄãÎ÷ºìÊÁ929 2026-03-08 6/300 2026-03-09 13:50 by ÐÂÆªÕÂDFSS
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí314Çóµ÷¼Á +4 £¨£þ¡«£þ;£© 2026-03-08 5/250 2026-03-08 23:12 by L135790
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á£¬¹¤¿Æ£¬×Ü·Ö304 +4 °«×Ó²»Ï볤¸ßÁË 2026-03-08 7/350 2026-03-08 22:21 by Сľ³ætim
[¿¼ÑÐ] »¯Ñ§¹¤³ÌÓë¼¼Êõ316Çóµ÷¼Á +7 Sixuan wang 2026-03-06 7/350 2026-03-08 11:23 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] 081700ѧ˶һ־Ը±±¾©»¯¹¤´óѧÊý¶þÓ¢Ò»¹ýÁù¼¶ÓоºÈüÇóµ÷¼Á +5 galaxary 2026-03-07 7/350 2026-03-08 04:37 by wang_dand
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û