Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 4140  |  »Ø¸´: 9
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÄêÇáҪŬÁ¦

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] ÇëÎʸ÷λ´óÏÀ£¬Ð»ÀÖ¹«Ê½D=K¦Ë/Bcos¦ÈÖУ¬¦ÈÐèҪת»¯Îª»¡¶ÈÂð£¿

ÎÒÔÚÊéÉÏ¿´µ½Ð»ÀÖ¹«Ê½µÄ˵Ã÷£¬°ë·å¿íÊÇҪת»¯Îª»¡¶ÈµÄ¡£
¶ÔÑÜÉä½Çû×öʲôÏêϸ˵Ã÷£¬ÎÒÏëÇë½Ìһϣ¬¦ÈÒ²ÐèҪת»¯Îª»¡¶È£¬¶ÔÂð£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

ÍõÁøÒ¶

ľ³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÄêÇáҪŬÁ¦: ½ð±Ò+1 2015-03-16 16:04:48
ÄêÇáҪŬÁ¦: ½ð±Ò+5 2015-03-16 16:08:58
¹Ø¼ü¿´Äãʲôcos¹«Ê½ÔõôҪÇóÁË£¬ÄãÒªÓÃexcel¼ÆË㣬Ҫת»¯³É»¡¶È£¬ÄãÒªÓÿÆÑ§¼ÆËãÆ÷¼ÆË㣬¾Í²»ÓÃת»»ÁË¡£
9Â¥2015-03-15 19:21:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 10 ¸ö»Ø´ð

ÄêÇáҪŬÁ¦

½ð³æ (ÕýʽдÊÖ)

¸÷λ´óÏÀ£¬Ð»ÀÖ¹«Ê½¼ÆËãʱ¦ÈÐèҪת»¯Îª»¡¶ÈÂð£¿
ÒѲ»ÔÙÄêÇá
2Â¥2015-03-14 11:38:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yebitai

Í­³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÄêÇáҪŬÁ¦: ½ð±Ò+1 2015-03-14 14:49:21
liwentao2010: ½ð±Ò+1, лл»ØÌû£¬»¶Ó­³£À´½»Á÷ 2015-03-14 21:36:28
ת»¯²»×ª»¯£¬cosÖµÊÇÒ»ÑùµÄ
3Â¥2015-03-14 14:46:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÄêÇáҪŬÁ¦

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by yebitai at 2015-03-14 14:46:59
ת»¯²»×ª»¯£¬cosÖµÊÇÒ»ÑùµÄ

²»Ò»ÑùµÄ
ÒѲ»ÔÙÄêÇá
4Â¥2015-03-14 14:49:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +7 Ö½ÉÈzhishan 2026-04-13 7/350 2026-04-14 14:21 by jyl0317
[¿¼ÑÐ] 297Çóµ÷¼Á +23 ORCHID1 2026-04-10 26/1300 2026-04-14 13:52 by ³ÂƤƤ
[¿¼ÑÐ] 085408¹âµçÐÅÏ¢¹¤³Ìר˶355Ò»Ö¾Ô¸³¤´º¹â»úËùµ÷¼Á +6 Íõymaa 2026-04-13 13/650 2026-04-14 11:33 by Íõymaa
[¿¼ÑÐ] 332Çóµ÷¼Á +15 ½¶½¶123 2026-04-10 15/750 2026-04-13 23:12 by pies112
[¿¼ÑÐ] 310Çóµ÷¼Á +15 666ÕæºÃ 2026-04-11 17/850 2026-04-13 22:27 by pies112
[»ù½ðÉêÇë] 2026 WRÇà°Î +3 ¶¬ÈÕÑô¹âCAS 2026-04-09 6/300 2026-04-13 18:40 by liuchb715
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á£¬Ò»Ö¾Ô¸Î÷ÄÏ´óѧ348£¬TopÆÚ¿¯Ò»Çø¶þ×÷¡¢¶þÇøÈý×÷£¬ÈýµÈ½±Ñ§½ðÈý´Î +5 candyyyi 2026-04-09 5/250 2026-04-13 09:02 by ¿Éµ­²»¿ÉÍü
[¿¼ÑÐ] 307Çóµ÷¼Á +10 tzq94092 2026-04-10 10/500 2026-04-12 08:18 by wise999
[¿¼ÑÐ] 303Çóµ÷¼Á +14 SereinQ 2026-04-10 15/750 2026-04-11 20:43 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á +3 θ¾·ÂÎÀÛÁË 2026-04-11 5/250 2026-04-11 14:13 by luhong1990
[¿¼ÑÐ] 0859£¬337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 11:34 by caotw2020
[¿¼ÑÐ] Çóµ÷¼Á +6 archer.. 2026-04-09 8/400 2026-04-11 10:55 by zhq0425
[¿¼ÑÐ] ¹¤¿Æ273µ÷¼Á +6 X1999 2026-04-09 7/350 2026-04-11 10:23 by zhq0425
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +40 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 48/2400 2026-04-10 23:28 by 314126402
[¿¼ÑÐ] Ò»Ö¾Ô¸±±Àí¹¤298Ó¢Ò»Êý¶þÒÑÉϰ¶£¬¸Ðл¸÷λÀÏʦ +14 Reframe 2026-04-10 16/800 2026-04-10 23:07 by caotw2020
[¿¼ÑÐ] 314Çóµ÷¼Á +14 weltZeng 2026-04-09 14/700 2026-04-09 23:14 by wolf97
[¿¼ÑÐ] ³õÊÔ·Ö332£¬Ò»Ö¾Ô¸±¨¿¼Î÷±±¹¤Òµ´óѧ£¬ +11 ¹ÊÈË?? 2026-04-09 11/550 2026-04-09 21:54 by JineShine
[¿¼ÑÐ] ²ÄÁÏ»¯¹¤×Ü·Ö334Çóµ÷¼Á +16 Riot2025 2026-04-08 17/850 2026-04-09 20:19 by maddjdld
[¿¼ÑÐ] 331Çóµ÷¼Á +5 luoxin0706. 2026-04-08 5/250 2026-04-08 22:15 by zhouyuwinner
[¿¼ÑÐ] 22408 266Çóµ÷¼Á +11 masss11222 2026-04-07 14/700 2026-04-08 11:06 by yulian1987
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û