ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿ÈçͼËùʾ£¬ÔÈÇ¿µç³¡ÖÐÓÐÒ»¸öOΪԲÐÄ¡¢°ë¾¶ÎªRµÄÔ²£¬ACΪֱ¾¶£¬µç³¡·½ÏòÓëÔ²ËùÔÚƽÃæƽÐÐÇÒÓëABÁ¬Ïß´¹Ö±Ð±ÏòÏ£¬A¡¢0Á½µãµçÊƲîΪU£¬Ò»´øÕýµçµÄÁ£×ÓÖ»Ôڵ糡Á¦×÷ÓÃÏÂÔڵ糡ÖÐÔ˶¯£¬¾­A¡¢BÁ½µãʱËٶȷ½Ïò¾ùÑØÔ²µÄÇÐÏß·½Ïò£¬ËٶȴóС¾ùΪv0.ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ

A. A¡¢CÁ½µãµÄµçÊÆÏàµÈ

B. Á£×Ó´ÓAµ½BµÄÔ˶¯¹ý³ÌÖУ¬µçÊÆÄÜÏȼõСºóÔö´ó

C. ÔÈÇ¿µç³¡µÄµç³¡Ç¿¶ÈE=

D. ÔÈÇ¿µç³¡µÄµç³¡Ç¿¶ÈE=

¡¾´ð°¸¡¿D

¡¾½âÎö¡¿´øµçÁ£×Ó½öÔڵ糡Á¦×÷ÓÃÏ£¬ÓÉÓÚÁ£×ÓÔÚA¡¢BÁ½µã¶¯ÄÜÏàµÈ£¬ÔòµçÊÆÄÜÒ²ÏàµÈ¡£ÒòΪÔÈÇ¿µç³¡£¬ËùÒÔÁ½µãµÄÁ¬ÏßAB¼´ÎªµÈÊÆÃ棬ËùÒÔA¡¢CÁ½µã²»ÔÚͬһµÈÊÆÃæÉÏ£¬ËùÒÔA¡¢CµÄµçÊƲ»ÏàµÈ£¬¸ù¾ÝµÈÊÆÃæÓëµç³¡Ïß´¹Ö±ÌØÐÔ£¬´Ó¶ø»­³öµç³¡ÏßCO£¬ÈçͼËùʾ£º

ÓÉÇúÏßÔ˶¯Ìõ¼þ¿ÉÖª£¬ÕýµçÁ£×ÓËùÊܵĵ糡Á¦ÑØ×ÅCO·½Ïò£¬Òò´ËÁ£×Ó´ÓAµ½B×öÅ×ÌåÔ˶¯£¬Ëٶȷ½ÏòÓëµç³¡Á¦·½Ïò¼Ð½ÇÏÈ´óÓÚ90¡ãºóСÓÚ90¡ã£¬µç³¡Á¦ÏÈ×ö¸º¹¦ºó×öÕý¹¦£¬µçÊÆÄÜÏÈÔö´óºó¼õС£¬¹ÊAB´íÎó£»ÔÈÇ¿µç³¡µÄµç³¡Ç¿¶ÈU=EdʽÖеÄdÊÇÑØ×ŵ糡ǿ¶È·½ÏòµÄ¾àÀ룬Òò¶øÓɼ¸ºÎ¹Øϵ¿ÉÖª£¬ £¬½âµÃ£º £¬¹ÊC´íÎó£¬DÕýÈ·¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Èçͼ¼×Ëùʾ£¬¹â»¬µ¼¹ìˮƽ·ÅÖÃÔÚÓëˮƽ·½Ïò³É60¡ã½ÇбÏòϵÄÔÈÇ¿´Å³¡ÖУ¬ÔÈÇ¿´Å³¡µÄ´Å¸ÐӦǿ¶ÈBËæʱ¼äµÄ±ä»¯¹æÂÉÈçͼÒÒËùʾ£¨¹æ¶¨Ð±ÏòÏÂΪÕý·½Ïò£©£¬µ¼Ìå°ôab´¹Ö±µ¼¹ì·ÅÖ㬳ýµç×èRµÄ×èÖµÍ⣬ÆäÓàµç×è²»¼Æ£¬µ¼Ìå°ôabÔÚˮƽÍâÁ¦×÷ÓÃÏÂʼÖÕ´¦ÓÚ¾²Ö¹×´Ì¬£®¹æ¶¨a¡úbµÄ·½ÏòΪµçÁ÷µÄÕý·½Ïò£¬Ë®Æ½ÏòÓҵķ½ÏòΪÍâÁ¦µÄÕý·½Ïò£¬Ð±ÏòÓÒÏ·½Îª°²ÅàÁ¦µÄÕý·½ÐΣ¬ÔòÔÚ0¡«t1ʱ¼äÄÚ£¬ÄÜÕýÈ··´Ó³µç×èRµÄÈȹ¦ÂÊP¡¢Á÷¹ýµ¼Ìå°ôabµÄµçÁ÷i¡¢µ¼Ìå°ôabËùÊÜˮƽÍâÁ¦F¼°°²ÅàÁ¦FAËæʱ¼ät±ä»¯µÄͼÏñÊÇ

[Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/12/1922584780300288/1924600558452736/STEM/8cb58f9236cd42d6a32b3485c457e836.png]

A. [Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/12/1922584780300288/1924600558452736/STEM/b9761b5492df43569a6fda6cce1e26ba.png]

B. [Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/12/1922584780300288/1924600558452736/STEM/d3faa580615a45dfa313ea8c4670af4a.png]

C. [Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/12/1922584780300288/1924600558452736/STEM/e48d61fdfb0c4d41a590085b61b513c0.png]

D. [Failed to download image : http://qbm-images.oss-cn-hangzhou.aliyuncs.com/QBM/2018/4/12/1922584780300288/1924600558452736/STEM/8f1db17cc6df49fe927d8ba55fc62cd6.png]

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø