ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬ÖÊÁ¿²»µÈµÄľ¿éAºÍBµÄÖÊÁ¿·Ö±ðΪm1ºÍm2£¬ÖÃÓڹ⻬µÄË®Æ½ÃæÉÏ£®µ±Ë®Æ½Á¦F×÷ÓÃÓÚ×ó¶ËAÉÏ£¬Á½ÎïÌåÒ»Æð×öÔȼÓËÙÔ˶¯Ê±£¬A¡¢B¼ä×÷ÓÃÁ¦´óСΪF1.µ±Ë®Æ½Á¦F×÷ÓÃÓÚÓÒ¶ËBÉÏ£¬Á½ÎïÌåÒ»Æð×öÔȼÓËÙÔ˶¯Ê±£¬A¡¢B¼ä×÷ÓÃÁ¦´óСΪF2£¬Ôò£¨¡¡¡¡£©
A£®ÔÚÁ½´Î×÷Óùý³ÌÖУ¬ÎïÌåµÄ¼ÓËٶȵĴóСÏàµÈ
B£®ÔÚÁ½´Î×÷Óùý³ÌÖУ¬F1£«F2<F
C£®ÔÚÁ½´Î×÷Óùý³ÌÖУ¬F1£«F2£½F
D£®ÔÚÁ½´Î×÷Óùý³ÌÖУ¬
£½![]()
![]()
AC
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
| A¡¢ÔÚÁ½´Î×÷Óùý³ÌÖУ¬ÎïÌåµÄ¼ÓËٶȵĴóСÏàµÈ | ||||
| B¡¢ÔÚÁ½´Î×÷Óùý³ÌÖУ¬F1+F2£¼F | ||||
| C¡¢ÔÚÁ½´Î×÷Óùý³ÌÖУ¬F1+F2£¾F | ||||
D¡¢ÔÚÁ½´Î×÷Óùý³ÌÖУ¬
|
| A¡¢ÎïÌåBËùÊܵÄĦ²ÁÁ¦·½ÏòÒ»¶¨Ïò×ó | B¡¢ÎïÌåBËùÊܵÄĦ²ÁÁ¦·½Ïò¿ÉÄÜÏò×ó | C¡¢ÎïÌåBËùÊܵÄĦ²ÁÁ¦Ò»¶¨ËæË®Æ½Á¦FµÄÔö´ó¶øÔö´ó | D¡¢Ëæ×ÅˮƽÀÁ¦FµÄÔö´ó£¬AºÍBʼÖÕ¿ÉÒÔ±£³ÖÏà¶Ô¾²Ö¹ |