Znn3bq.jpeg
²é¿´: 1503  |  »Ø¸´: 4

xujuan1987

Òø³æ (³õÈëÎÄ̳)

[ÇóÖú] лÀÖ¹«Ê½¼ÆËãÇóÖú

ÓÐÄÄλ¸ßÊÖ¿ÉÒÔÖ¸µãһϣ¬ÎÒ¸¶ÉϵÄͼ£¬ÓÃлÀÖ¹«Ê½Ôõô¼ÆËãÁ£¾¶£¿
Dc = 0.89¦Ë /(B cos ¦È)(¦ËΪX ÉäÏß²¨³¤, BΪÑÜÉä·å°ë¸ß¿í, ¦È ΪÑÜÉä½Ç) £¬ÏÖÔÚÊǦËÖªµÀ£¬ÔõôÇóB£¬cos ¦È£¬cos ¦ÈÖÐ ¦ÈÊDz»ÊÇ×î¸ß·å¶ÔÓ¦µÄ½Ç¶È£¿ÓÐÈ˸úÎÒ˵
B = ¦Ë/t cos¦È  (t=md,m¡ª¡ª¾§ÃæÊý£¬d¡ª¡ª¾§Ãæ¼ä¾à) £¬ÄÇôdÔõôȷ¶¨£¿Óкü¸¸ö¾§Ãæ°¡£¬¦È ÓÖÊÇÔõôȷ¶¨µÄ£¿¶àл
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : н¨ Microsoft Word Îĵµ.doc
  • 2011-11-23 14:56:28, 11 K

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

¿ÆÑÐÈí¼þ½Ì³Ì

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

sciencemaji

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
½ð¹âÉÁÉÁ2010(½ð±Ò+1): 2011-11-23 18:12:31
½ð¹âÉÁÉÁ2010(½ð±Ò+1): 2011-11-23 18:12:53
xujuan1987(½ð±Ò+5): 2012-03-12 11:14:50
xujuan1987: ½ð±Ò+5 2012-04-09 08:35:43
jadeÖпÉÒÔÖ±½Ó¶Á³ö°ë¸ß¿íºÍ½Ç¶ÈÖµ£¬´úÈ빫ʽ¾ÍÐÐÁË¡£
2Â¥2011-11-23 16:38:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ò»¸öССÄñ

Ìú³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
´ÓÄÄÀïÖª??????¸ß¿íºÍ½Ç¶ÈÖµ°¡
ÏàÐÅ×Ô¼º
3Â¥2012-03-01 14:07:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ò»¸öССÄñ

Ìú³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÈçºÎÖªµÀ°ë¸ß¿íºÍ½Ç¶È°¡
ÏàÐÅ×Ô¼º
4Â¥2012-03-01 14:07:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huawuque1982

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ľ³æ

ÄãºÃ   cos ¦ÈÖÐ ¦ÈÊDz»ÊÇ×î¸ß·å¶ÔÓ¦µÄ½Ç¶È£¿  XRDÇúÏߺá×ø±êÊÇ2¦È   ÊDz»ÊÇÕâ¸öÖµ»¹Òª³ýÒÔ2£¿
˼ÏëÓжàÔ¶£¬ÎÒÃǾÍÄܳ¶¶àÔ¶
5Â¥2017-07-08 20:52:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xujuan1987 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 272·Ö²ÄÁÏ×ÓÇóµ÷¼Á +37 Loy0361 2026-04-10 48/2400 2026-04-12 10:28 by lhj2009
[¿¼ÑÐ] Çóµ÷¼Á£¬985²ÄÁÏÓ뻯¹¤348·Ö +8 º­ÖñÁõ 2026-04-11 10/500 2026-04-12 10:01 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[½Ìʦ֮¼Ò] ÇëÎʵØÀí¡¢Ò£¸Ð·½Ã棬¿ÉÒÔ×öÄÄЩºáÏòÏîÄ¿°¡£¬×ÝÏòÍê²»³É¿¼ºË°¡ +3 ½õÒÂÎÀº®Õ½ 2026-04-07 5/250 2026-04-11 20:51 by Ô¥½·
[¿¼ÑÐ] 0854µ÷¼Á +5 ÒôÏñµêÌý»¨¹ÄÏ· 2026-04-10 5/250 2026-04-11 10:49 by qingpingzhu
[¿¼ÑÐ] 086000µ÷¼Á +5 Ê®Æßsa 2026-04-07 5/250 2026-04-11 10:38 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 288Çóµ÷¼Á +15 ´úfish 2026-04-09 16/800 2026-04-11 10:26 by wwj2530616
[¿¼ÑÐ] 080500Çóµ÷¼Á +17 »ÆÓ 2026-04-06 17/850 2026-04-11 08:36 by zhq0425
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +17 ŬÁ¦·Ü¶·112 2026-04-06 20/1000 2026-04-11 00:31 by wangjihu
[¿¼ÑÐ] µ÷¼Á +12 ¾í¾í¾íÐIJË_ 2026-04-09 13/650 2026-04-10 22:36 by Ftglcn90
[¿¼ÑÐ] 266Çóµ÷¼Á +29 ÑôÑôÍÛÈû 2026-04-07 29/1450 2026-04-10 16:20 by ¸ßά´º
[¿¼ÑÐ] 282£¬µçÆø¹¤³Ìרҵ£¬Çóµ÷¼Á£¬²»Ìôרҵ +9 jggshjkkm 2026-04-10 9/450 2026-04-10 14:55 by ÄæË®³Ë·ç
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ´óѧÉúÎïѧѧ˶344 ÇóÉúÎïѧÏà¹Øµ÷¼Á/ÉúÎïÓëÒ½Ò© +7 ³¬È˲»»á·É@ 2026-04-08 7/350 2026-04-09 09:35 by gong120082
[¿¼ÑÐ] 327Çóµ÷¼Á +10 Xxjc1107. 2026-04-06 11/550 2026-04-09 01:21 by lature00
[¿¼ÑÐ] 307Çóµ÷¼Á +14 ³¬¼¶ÒÁ°º´óÍõ 2026-04-06 14/700 2026-04-08 07:03 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ²ÄÁϹ¤³ÌרҵÈÕÓïÉúÇóµ÷¼Á +9 111623 2026-04-07 9/450 2026-04-07 23:31 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] 22408 µ÷¼Á²ÄÁÏ +7 ÎÒ½Ðez 2026-04-06 8/400 2026-04-07 17:12 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085602µ÷¼Á ³õÊÔ×Ü·Ö335 +10 19123253302 2026-04-05 10/500 2026-04-07 15:23 by СÇÇͬѧya
[¿¼ÑÐ] 304Çóµ÷¼Á +4 luoye0105 2026-04-05 4/200 2026-04-06 21:05 by ľ×Ó¾ý1218
[¿¼ÑÐ] 319Çóµ÷¼Á +3 handrui 2026-04-05 3/150 2026-04-06 09:33 by jp9609
[¿¼ÑÐ] 308Çóµ÷¼Á +3 ÖÕ²»ËÆ´Óǰ 2026-04-05 3/150 2026-04-05 22:23 by hemengdong
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û