Question

7£®Ä³Í¬Ñ§ÀûÓÃͼʾװÖÃÀ´Ñо¿Í¹Í¸¾µ³ÉÏñ£®

£¨1£©ÊµÑéÇ°£¬Ó¦µ÷ÕûÖòÑæ¡¢¹âÆÁµÄÖÐÐÄÔÚ͹͸¾µÖ÷¹âÖáÉÏ£»
£¨2£©Èçͼ1Ëùʾ£¬µ±Í¹Í¸¾µÎ»ÓÚ¹â¾ß×ùÉÏA´¦Ê±£¬Ç¡ºÃÔÚ¹âÆÁÖÐÐijÉÇåÎúµÄÏñ£¬³ÉµÄÊǵ¹Á¢£¨Ñ¡Ìî¡°ÕýÁ¢¡±»ò¡°µ¹Á¢¡±£©·Å´ó£¨Ñ¡Ìî¡°·Å´ó¡±»ò¡°ËõС¡±»ò¡°µÈ´ó¡±£©µÄʵÏñ£®À¯ÖòȼÉÕÒ»¶Îʱ¼äºó£¬ÖòÑæµÄÏñ½«Î»ÓÚ¹âÆÁÖÐÐÄÉÏ£¨Ìî¡°ÉÏ¡±¡¢¡°Ï¡±£©·½£»ÈôҪʹÖòÑæ³ÉÏñÔÚ¹âÆÁÖÐÑ룬ÈôÖ»µ÷½Ú͸¾µ£¬Ó¦½«Í¸¾µÏòÏ£¨Ìî¡°ÉÏ¡±¡¢¡°Ï¡±£©µ÷½Ú£®
£¨3£©ÔÚ±£³Ö£¨2£©ÖÐÀ¯ÖòºÍ¹âÆÁλÖò»±äµÄÇé¿öÏ£¬½«Í¹Í¸¾µÏòÓÒÒƵ½B´¦£¨Í¼ÖÐδ±ê³ö£©£¬¹âÆÁÉÏÔٴγÉÇåÎúµÄÏñ£¬³ÉµÄÊÇËõС£¨Ñ¡Ìî¡°·Å´ó¡±¡¢¡°ËõС¡±»ò¡°µÈ´ó¡±£©µÄÏñ£»
£¨4£©ÔÚÉÏÊö̽¾¿»î¶¯ÖУ¬ÈôÒÑÖªÀ¯ÖòÓë¹âÆÁ¼äµÄ¾àÀëΪL₀£¬Óë͹͸¾µµÚÒ»´ÎËùÔÚλÖÃA¼äµÄ¾àÀëΪL£¬Èçͼ2Ëùʾ£®Ôò¸Ã͸¾µ½¹¾àf£¼L£¨Ñ¡Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©£¬Í¸¾µÏȺóÁ½´ÎËùÔÚλÖÃA¡¢BÖ®¼äµÄ¾àÀëS=L₀-2L£¨ÓÃL₀¡¢L±íʾ£©£®

Answer 1

·ÖÎö £¨1£©ÒªÊ¹Ïñ³ÉÔÚ¹âÆÁÖÐÑ룬Ӧ¸Ãµ÷½ÚÈýÕßÖÐÐÄÔÚͬһ¸ß¶È£»
£¨2£©µ±Îï¾àСÓÚÏñ¾à³ÉʵÏñʱ£¬Ó¦³Éµ¹Á¢·Å´óµÄʵÏñ£»
¸ù¾Ýͨ¹ý¹âÐĵĹâÏß·½Ïò²»¸Ä±äÈ·¶¨ÏñµÄÒƶ¯·½Ïò£¬½ø¶øÖªµÀÀ¯Öò¡¢Í¸¾µ¡¢¹âÆÁµÄÒƶ¯·½Ïò£»
£¨3£©µ±Îï¾à´óÓÚÏñ¾à³ÉʵÏñʱ£¬Ó¦¸Ã³Éµ¹Á¢ËõСʵÏñ£»
£¨4£©¶Ô±È£¨2£©£¨3£©³ÉÏñÌõ¼þ£¬½áºÏÖòÑæºÍ¹âÆÁÖ®¼ä¾àÀë²»±ä£¬·ÖÎö½â´ð£®

½â´ð ½â£º£¨1£©ÊµÑéÇ°£¬Ó¦±£Ö¤ÖòÑ桢͹͸¾µºÍ¹âÆÁÈýÕßÔÚÒ»ÌõˮƽֱÏßÉϼ´Í¬Ò»¸ß¶È£¬ÕâÑù²ÅÄܱ£Ö¤ÖòÑæµÄÏñ³ÉÔÚ¹âÆÁµÄÖÐÑ룬
¹ÊÓ¦µ÷ÕûÖòÑæ¡¢¹âÆÁµÄÖÐÐÄÔÚ͹͸¾µÖ÷¹âÖáÉÏ£»
£¨2£©ÓÉͼ1Öª£¬Ïñ¾à´óÓÚÎï¾à£¬¸ù¾Ý͹͸¾µ³ÉÏñ¹æÂÉ£¬´Ëʱ³Éµ¹Á¢·Å´óµÄʵÏñ£»
ÓÉÓÚͨ¹ý¹âÐĵĹâÏß·½Ïò²»¸Ä±ä£¬ÔòÖòÑæµÄÏñ½«ÏòÉÏÒƶ¯£¬¼´ÖòÑæµÄÏñ½«Î»ÓÚ¹âÆÁÖÐÐĵÄÉÏ·½£»
ÈôҪʹÖòÑæ³ÉÏñÔÚ¹âÆÁÖÐÑ룬ÈôÖ»µ÷½Ú͸¾µ£¬Ó¦½«Í¸¾µÏòϵ÷½Ú£®
£¨3£©ÔÚ±£³Ö£¨2£©ÖÐÀ¯ÖòºÍ¹âÆÁλÖò»±äµÄÇé¿öÏ£¬½«Í¹Í¸¾µÏòÓÒÒƵ½B´¦£¨Í¼ÖÐδ±ê³ö£©£¬Ï൱ÓÚÔö´óÎï¾à£¬¼õСÏñ¾à£¬
µ±¹âÆÁÉÏÔٴγÉÇåÎúµÄÏñʱ£¬´ËʱӦ¸ÃÎï¾à´óÓÚ¶þ±¶½¹¾à£¬ÔòËù³ÉÏñÓ¦¸ÃΪµ¹Á¢ËõСµÄʵÏñ£»
£¨4£©ÔÚAµãʱ£¬³É·Å´ó¡¢µ¹Á¢µÄʵÏñ£¬´ËʱÎï¾àÔÚÒ»±¶½¹¾àµ½¶þ±¶½¹¾àÖ®¼ä£¬¼´f£¼L£»
ÔÚBµãʱ£¬³Éµ¹Á¢¡¢ËõСµÄʵÏñ£¬ÓÉÓÚ¹âÆÁºÍÀ¯ÖòλÖò»±ä£¬
ÔòAµãʱµÄÎï¾àºÍBµãʱµÄÏñ¾à³¤¶ÈÏàµÈ£¬ËùÒÔA¡¢B¼ä¾àÀëΪ£ºL₀-2L£®
¹Ê´ð°¸Îª£º£¨1£©Í¹Í¸¾µÖ÷¹âÖáÉÏ£»£¨2£©µ¹Á¢£»·Å´ó£»ÉÏ£»Ï£»£¨3£©ËõС£»£¨4£©£¼£»L₀-2L£®

µãÆÀ ´ËÌâÖ÷Òª¿¼²éѧÉú¶ÔÓÚ͹͸¾µ³ÉÏñ¹æÂɵÄÀí½âºÍÕÆÎÕ£¬Êì¼Ç³ÉÏñÌõ¼þ²¢Áé»îÔËÓÃÊǽâ¾öʵ¼ÊÎÊÌâµÄ¹Ø¼ü£®