²é¿´: 4308  |  »Ø¸´: 17
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

suqdu02

ľ³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÌÖÂÛ¡¿¿ÛʽµçÈÝÆ÷µÄ¼ÆË㹫ʽ ÒÑÓÐ6È˲ÎÓë

Ïò´ó¼ÒÇë½ÌÒ»¸öÎÊÌ⣬ÔÚʹÓÿÛʽÁ½µç¼«³¬¼¶µçÈÝÆ÷²âÊÔ²ÄÁϱȵçÈÝʱ£¬¼ÆË㹫ʽʹÓÃC=4I¡÷t/m¡÷v,»¹ÊÇC=2I¡÷t/m¡÷v£¿ÄÜ·ñ½²½âÏÂÕâ¸öϵÊýµÄ¾ßÌåÀ´Àú£¬¶àл£¡
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

﮵çÌûÓë×ÊÁÏ»ã×Ü µç»¯Ñ§³¬¼¶µçÈÝÆ÷ µç»¯Ñ§µçÈÝÆ÷&³¬¼¶µçÈÝ

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

luanmayanyi

ľ³æ (ÖøÃûдÊÖ)

ÉϵÛÖ®ÊÖ

Õâ¸öÎÊÌâÐèÒªÒýÆð´ó¼ÒµÄ¹Ø×¢£¬ºÃºÃѧϰһÏ£¡£¡
¿ÆÑÐÃñ¹¤
3Â¥2010-11-04 18:17:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 18 ¸ö»Ø´ð

suqdu02

ľ³æ (ÕýʽдÊÖ)

Çë´ó¼Ò»ý¼«»Ø¸´°¡£¬ÊÇÎÒûÃèÊöÇå³þÂð£¿Õâ¸öÎÊÌâ×öµçÈÝÆ÷µÄ³æ×ÓÓ¦¸Ã¶¼Óöµ½¹ýµÄ£¬Çë°Ñ×Ô¼ºµÄ¼ÆËã·½·¨ÄóöÀ´ÌÖÂÛÏ£¬½ð±Ò²»¹»µÄ»°ÎÒ»¹»á×·¼ÓµÄ¡£
4Â¥2010-11-05 08:40:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mhwu514

½û³æ (СÓÐÃûÆø)

suqdu02(½ð±Ò+8):¶àл֧³Ö£¡±¾À´ÎÒÒ²ÊÇÕâÃ´ÍÆµ¼µÄ£¬ÒòΪ¿´µ½ÎÄÏ×ÖÐÓÐÈËÓõÄÊÇ4£¬ËùÒÔÏë¸ü¶àÁ˽âЩ¡£ 2010-11-05 11:14:43
¶Ô³ÆÐÔ³¬¼¶µçÈÝÆ÷¿ÉÒÔ¿´×÷ÊÇÁ½¸öÏàͬµÄµç¼«´®Áª¹¹³É£¬¼ÙÉèm1=m2£¬C1=C2
²âÊÔÕû¸öµçÈÝÆ÷µÄµçÈÝΪC×Ü£¬Ôò1/C×Ü=1/C1+1/C2£¬C×Ü=I¡÷t=1/2 C1=1/2 C2£¬¿¼Âǵ½Ë«µç¼«ÖÊÁ¿¼ÓºÍÒòËØ£¬¼´m=m1+m2=2m1=2m2£¬Òò´Ëµç¼«²ÄÁϵıȵçÈݼÆË㹫ʽΪ£ºC=4I¡÷t/m¡÷v=2I¡÷t/m1¡÷v==2I¡÷t/m2¡÷v£¬

Ó¦¸ÃÊÇÕâÑù£¬ÈçÓдíÎó»¶Ó­ÅúÆÀÖ¸Õý¡£
5Â¥2010-11-05 10:56:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ʯīϩ

Ìú³æ (³õÈëÎÄ̳)

Ö§³ÖÏ£¡

suqdu02(½ð±Ò+1):½ðÊôËùµÄ°É,ÄãÃǵçÈÝÆ÷×öµÄÂù²»´íµÄ,¶ÔÕâ¸öÎÊÌâÓ¦¸ÃºÜÓмû½âÁË,ÄóöÀ´·ÖÏíһϰÉ. 2010-11-05 12:48:11
ÎÒÒ²ÏëÑ§Ï°ÄØ£¡
6Â¥2010-11-05 11:20:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 326Çóµ÷¼Á +4 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 7/350 2026-03-16 17:11 by ŵ±´¶û»¯Ñ§½±êéê
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á £¬Áù¼¶Òѹý£¬ÓпÆÑо­Àú +7 êØÎõÙâ 2026-03-15 7/350 2026-03-16 16:34 by houyaoxu
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤×¨Ë¶µ÷¼Á +3 heming3743 2026-03-16 3/150 2026-03-16 15:05 by peike
[¿¼ÑÐ] 277²ÄÁÏ¿ÆÑ§Ó빤³Ì080500Çóµ÷¼Á +3 ×ÔÓɼå±ý¹û×Ó 2026-03-16 3/150 2026-03-16 14:10 by ÔËÆøyunqi
[¿¼ÑÐ] 290Çóµ÷¼Á +5 ¿×Ö¾ºÆ 2026-03-12 10/500 2026-03-16 09:01 by ÓàêÍ&
[»ù½ðÉêÇë] NSFCÉ걨ÊéÀïÉêÇëÈ˼òÀúÖдú±íÐÔÂÛÖø»¹ÐèÒªÔÚÉ걨Êé×îºóµÄ¸½¼þÀïÃæÔÙÉÏ´«Ò»±éÂð 20+5 NSFC2026ÎÒÀ´ÁË 2026-03-10 14/700 2026-03-15 23:53 by ²»¸ºÉØ»ªµÄ»¢
[¿¼ÑÐ] 268Çóµ÷¼Á +5 Ò»¶¨ÓÐѧÉÏ- 2026-03-14 6/300 2026-03-14 22:20 by ÔËÆøyunqi
[¿¼ÑÐ] bÇø»·¾³¹¤³ÌÇóµ÷¼Á +4 Maps1 2026-03-10 6/300 2026-03-14 00:23 by JourneyLucky
[¿¼ÑÐ] 0805£¬333Çóµ÷¼Á +3 112253525 2026-03-10 3/150 2026-03-13 23:42 by JourneyLucky
[¿¼ÑÐ] 341Çóµ÷¼Á +4 ·¬ÇÑÍ·--- 2026-03-10 4/200 2026-03-13 23:12 by JourneyLucky
[¿¼ÑÐ] 337Ò»Ö¾Ô¸»ªÄÏÀí¹¤0805²ÄÁÏÇóµ÷¼Á +7 mysdl 2026-03-11 9/450 2026-03-13 22:43 by JourneyLucky
[¿¼ÑÐ] £Û0860£Ý321·ÖÇóµ÷¼Á£¬abÇø½Ô¿É +4 ±¦¹óÈÈ 2026-03-13 4/200 2026-03-13 22:01 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ¹¤¿Æ£¬Çóµ÷¼Á +3 ÎÒ887 2026-03-11 3/150 2026-03-13 21:39 by JourneyLucky
[¿¼ÑÐ] 281Çóµ÷¼Á +9 Koxui 2026-03-12 11/550 2026-03-13 20:50 by Koxui
[¿¼ÑÐ] ¡¾0856¡¿»¯Ñ§¹¤³Ì£¨085602£©313 ·Ö£¬±¾¿ÆÑ§¿ÆÆÀ¹ÀAÀàԺУ»¯Ñ§¹¤³ÌÓ빤ÒÕ£¬³ÏÇóµ÷¼Á +7 СÁõ¿ì¿ìÉϰ¶ 2026-03-11 7/350 2026-03-13 16:06 by ruiyingmiao
[¿¼ÑÐ] 307Çóµ÷¼Á +5 ³¬¼¶ÒÁ°º´óÍõ 2026-03-12 5/250 2026-03-13 15:56 by °ô°ôÇòÊÖ
[¿¼ÑÐ] 314Çóµ÷¼Á +7 ÎÞи¿É»÷µÄ¾ÞÈË 2026-03-12 7/350 2026-03-13 15:40 by JourneyLucky
[¿¼ÑÐ] 26¿¼ÑÐÇóµ÷¼Á +5 ؼºêSir 2026-03-13 5/250 2026-03-13 13:05 by JourneyLucky
[¿¼ÑÐ] 290Çóµ÷¼Á +3 ADT 2026-03-13 3/150 2026-03-13 10:19 by peike
[¿¼ÑÐ] ¹¤¿Æ0856ר˶»¯Ñ§¹¤³Ì269Äܵ÷¼ÁÂð +10 ÎÒÏë¶ÁÑÐ11 2026-03-10 10/500 2026-03-13 10:14 by Yuyi.
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û