ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÈçͼÊǵõ³µÆðµõ»õÎïµÄ½á¹¹Ê¾Òâͼ£¬ÉìËõ³Å¸ËΪԲ»¡×´£¬¹¤×÷ʱËü¶Ôµõ±ÛµÄÖ§³ÖÁ¦Ê¼ÖÕÓëµõ±Û´¹Ö±£¬Ê¹µõ±ÛÈÆOµã»ºÂýת¶¯£¬´Ó¶ø½«»õÎïÌáÆð£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A. µõ±ÛÊÇһʡÁ¦¸Ü¸Ë£¬µ«Òª·Ñ¾àÀë
B. µõ±ÛÊÇÒ»¸ö·ÑÁ¦¸Ü¸Ë£¬µ«¿ÉÒÔÊ¡¹¦
C. ÔÈËÙ¶¥Æðµõ±ÛµÄ¹ý³ÌÖУ¬ÉìËõ³Å¸ËÖ§³ÖÁ¦µÄÁ¦±Û±äС
D. ÔÈËÙ¶¥Æðµõ±ÛµÄ¹ý³ÌÖУ¬ÉìËõ³Å¸ËÖ§³ÖÁ¦ºÍÖ§³ÖÁ¦µÄÁ¦±ÛµÄ³Ë»ý½¥½¥±äС
¡¾´ð°¸¡¿D
¡¾½âÎö¡¿
A¡¢µõ±ÛµÄ¶¯Á¦±ÛСÓÚ×èÁ¦±Û£¬¸ù¾Ý¸Ü¸ËƽºâÌõ¼þ£¬¶¯Á¦´óÓÚ×èÁ¦£¬µõ±ÛÊÇ·ÑÁ¦¸Ü¸Ë£¬¹ÊA´íÎó£»
B¡¢µõ±ÛÊÇ·ÑÁ¦¸Ü¸Ë£¬·ÑÁ¦µ«¿ÉÒÔÊ¡¾àÀ룬µ«²»Ê¡¹¦£¬¹ÊB´íÎó£»
CD¡¢µõ³µ¹¤×÷ʱËü¶Ôµõ±ÛµÄÖ§³ÖÁ¦Ê¼ÖÕÓëµõ±Û´¹Ö±£¬¶¯Á¦±Û²»±ä£¬×èÁ¦²»±ä£¬×èÁ¦±Û¼õС£¬¸ù¾ÝF1L1=F2L2¿ÉÖªÉìËõ³Å¸ËÖ§³ÖÁ¦ºÍÖ§³ÖÁ¦µÄÁ¦±ÛµÄ³Ë»ý½¥½¥±äС£¬¹ÊC´íÎó¡¢DÕýÈ·¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿