Znn3bq.jpeg
²é¿´: 505  |  »Ø¸´: 3

Biotljy

ľ³æ (СÓÐÃûÆø)

¶·Õ½Ê¥·ð

[ÇóÖú] ÇóÖú°ïÎÒ½âÒ»ÏÂÕâ¸ö·½³Ì£¡£¡Ð»Ð»£¡£¡

ÇóÖú½âÒ»ÏÂF=mg£¨¦Ì sin¦È - cos¦È£©Õâ¸ö·½³Ì£¬
ÐèÒªµÃ³öÒ»¸öµ±F>0µÄʱºò£¬¦ÌµÄÒ»¸ö¶¨Öµ£¬²¢ÇÒËæ×ŦȵÄÔö¼ÓFÊǼõСµÄÇ÷ÊÆ£¡
mg¿ÉÒÔ¿´ÎªÒ»¸ö³£Êý¡£


лл¸÷λ´óÏÀ£¡£¡£¡£¡£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Biotljy

ľ³æ (СÓÐÃûÆø)

¶·Õ½Ê¥·ð

²¹³äһϣ¬¦ÌºÍ¦ÈÊÇδ֪Êý£¬ÐèÒªÇó½âµÄ£¡
²¢Ï£Íû¿ÉÒԵõ½Ò»¸öͼÏñ£¬ÒÔ¼°·ÖÎöµÄ¾ßÌå½á¹û£¡Ð»Ð»£¡
2Â¥2013-10-24 20:58:40
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Biotljy

ľ³æ (СÓÐÃûÆø)

¶·Õ½Ê¥·ð

¦ÈÊÇÒ»¸ö½Ç£¬È¡ÖµÔÚ0~90¡ãÖ®¼ä£¡
3Â¥2013-10-24 21:01:01
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Biotljy

ľ³æ (СÓÐÃûÆø)

¶·Õ½Ê¥·ð

¦ÌΪÕýÊý£¬¿ÉÒÔ´óÓÚ1£¡
4Â¥2013-10-24 21:01:43
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ Biotljy µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 291 Çóµ÷¼Á +40 »¯¹¤2026½ì±ÏÒµÉ 2026-04-09 41/2050 2026-04-15 21:54 by noqvsozv
[¿¼ÑÐ] ²ÄÁÏרҵ344Çóµ÷¼Á +17 hualkop 2026-04-10 22/1100 2026-04-14 16:21 by sxdj2
[½Ìʦ֮¼Ò] ת³¤Æ¸ÁË +7 ¼òµ¥»¯xn 2026-04-13 7/350 2026-04-14 14:50 by xindong
[»ù½ðÉêÇë] RY£ºÖйú²ú³öµÄ¿ÆÑ§À¬»øÂÛÎÄ£¬¾ø¶ÔÊýÁ¿ºÍ±ÈÀý¶¼ÊÀ½çµÚÒ» +6 zju2000 2026-04-14 17/850 2026-04-14 14:34 by jurkat.1640
[¿¼ÑÐ] »úе»¹Óл¹ÓÐÃû¶îÂð£¿Ì«ÄÑÁË +8 ЦЦԬ 2026-04-10 8/400 2026-04-14 08:44 by screening
[¿¼ÑÐ] 085404 298·ÖÇóµ÷¼Á +11 ºôÀ²ºôÀ²ºôºôºô 2026-04-10 12/600 2026-04-14 08:38 by wfj257
[¿¼ÑÐ] 0856ר˶Çóµ÷¼Á Ï£ÍûÊÇaÇøÔºÐ£ +24 ºÃºÃÐÝÏ¢ºÃ²»ºÃ 2026-04-09 27/1350 2026-04-13 22:22 by pies112
[¿¼ÑÐ] BÇø0809 £¬ÊýÒ»Ó¢Ò»£¬290 Çóµ÷¼Á +3 ãöΫ1111 2026-04-12 4/200 2026-04-13 20:35 by ѧԱJpLReM
[»ù½ðÉêÇë] 2026 WRÇà°Î +3 ¶¬ÈÕÑô¹âCAS 2026-04-09 6/300 2026-04-13 18:40 by liuchb715
[¿¼ÑÐ] 307Çóµ÷¼Á +10 tzq94092 2026-04-10 10/500 2026-04-12 08:18 by wise999
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤300Çóµ÷¼Á +39 Ф¿ªÎÄ 2026-04-09 43/2150 2026-04-12 01:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] »¯¹¤µ÷¼ÁÇóµ¼Ê¦ÊÕÁô£¡Ò»Ö¾Ô¸Ê§Àû£¬Ì¤Êµ¿Ï¸É£¬ÓÐÖ²ÎïÌáÈ¡¿ÆÑо­Àú +20 yzyzx 2026-04-09 21/1050 2026-04-12 00:12 by ССССÀ²À²À²
[¿¼ÑÐ] ±¾ÈËÅ®º¢ +7 ºðºð£¬ 2026-04-10 9/450 2026-04-11 14:45 by ACS Nano¡ª¡ª
[¿¼ÑÐ] Ò»Ö¾Ô¸985»úеѧ˶380Çóµ÷¼Á +5 ¹Ø¹ØöÂð¯10 2026-04-11 5/250 2026-04-11 10:10 by ÖªÄî¡£A
[¿¼ÑÐ] 22408 327·ÖÇóµ÷¼Á +4 ÔÏ·çkon 2026-04-10 4/200 2026-04-11 09:51 by Öí»á·É
[¿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] 309Çóµ÷¼Á +14 wdhw 2026-04-10 15/750 2026-04-10 21:06 by zhouxiaoyu
[¿¼ÑÐ] 298Çóµ÷¼Á +13 ¶¤¶£ß˶¬¹Ï 2026-04-09 13/650 2026-04-10 15:49 by jiajinhpu
[¿¼ÑÐ] 344Çóµ÷¼Á +7 ؼ·çѩҹ¹éÈËØ¼ 2026-04-09 7/350 2026-04-10 12:05 by pengliang8036
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖпÆÔº105500רҵ×Ü·Ö315Çóµ÷¼Á +6 lallalh 2026-04-09 7/350 2026-04-09 17:51 by lallalh
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û