ÌâÄ¿ÄÚÈÝ

(2011Äêɽ¶«¼ÃÄÏÄ£Äâ)Èçͼ12£­1£­17Ëùʾ£¬ÖÃÓÚ¿ÕÆøÖеÄÒ»²»Í¸Ã÷ÈÝÆ÷ÄÚÊ¢ÂúijÖÖ͸Ã÷ÒºÌ壮ÈÝÆ÷µ×²¿¿¿½üÆ÷±Ú´¦ÓÐÒ»ÊúÖ±·ÅÖõÄ6.0 cm ³¤µÄÏß¹âÔ´£®¿¿½üÏß¹âÔ´Ò»²àµÄÒºÃæÉϸÇÓÐÒ»ÕÚ¹â°å£¬ÁíÒ»²àÓÐһˮƽ·ÅÖõÄÓëÒºÃæµÈ¸ßµÄÍûÔ¶¾µ£¬ÓÃÀ´¹Û²ìÏß¹âÔ´£®¿ªÊ¼Ê±Í¨¹ýÍûÔ¶¾µ²»ÄÜ¿´µ½Ïß¹âÔ´µÄÈκÎÒ»²¿·Ö£®½«Ïß¹âÔ´ÑØÈÝÆ÷µ×ÏòÍûÔ¶¾µÒ»²àƽÒÆÖÁij´¦Ê±£¬Í¨¹ýÍûÔ¶¾µ¸ÕºÃ¿ÉÒÔ¿´µ½Ïß¹âÔ´µ×¶Ë£®ÔÙ½«Ïß¹âÔ´ÑØͬһ·½ÏòÒƶ¯8.0 cm£¬¸ÕºÃ¿ÉÒÔ¿´µ½Æ䶥¶Ë£®Çó´ËÒºÌåµÄÕÛÉäÂÊn.

ͼ12£­1£­17

 

¡¾´ð°¸¡¿

1.25

¡¾½âÎö¡¿Èçͼ£¬ÈôÏß¹âÔ´µ×¶ËÔÚAµãʱ£¬ÍûÔ¶¾µÄڸպÿɿ´µ½Ïß¹âÔ´µÄµ×¶Ë£¬ÔòÓУº¡ÏAOO¡ä£½¦Á£¬ÆäÖЦÁΪ´ËÒºÌåµ½¿ÕÆøµÄÈ«·´ÉäÁÙ½ç½Ç£¬ÓÉÕÛÉ䶨Âɵãºsin¦Á£½£¬Í¬Àí£¬Ïß¹âÔ´¶¥¶ËÔÚB1µãʱ£¬ÍûÔ¶¾µÄڸպÿɿ´µ½Ïß¹âÔ´µÄ¶¥¶Ë£¬Ôò¡ÏB1OO¡ä£½¦Á

ÓÉͼÖм¸ºÎ¹ØϵµÃ£º

sin¦Á£½

½âµÃ£º£½

ÓÉÌâ¸øµÄÌõ¼þ¿ÉÖª£½8.0 cm£¬£½6.0 cm.

´úÈëÉÏʽµÃn£½1.25.

´ð°¸£º1.25

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø