ck¶þ´Î
ÒÑÖª¶þ´ÎÇúÏßCk:x^2/(9 - k) + y^2/(4 - k)=1 ÇóË«ÇúÏßCkÓëÖ±Ïß...
´Ëʱ||PF1|-|PF2||=|F1F2|=2¡Ì3=2a,ËùÒÔa^2=3,ÓÖc^2=9-k+k-4=5,ËùÒÔb^2=5-3=2,ËùÒÔ·½³Ì:x^2/3-y^2/2=1
¼¡Ëἤøƫ¸ß,¼ì²é¹ýÁ½´Î¸ßµÄ²»¶à - ÓÐÎʱشð
ÆäÖм¡ËἤøµÄͬ¹¤Ã¸CK-MBÕï¶ÏµÄÌØÒìÐÔ×î¸ßÒÔÉÏÊǶԡ°¼¡Ëἤøƫ¸ß£¬¼ì²é¹ýÁ½´Î¸ßµÄ²»¶à¡±Õâ¸öÎÊÌâµÄ½¨Ò飬ϣÍû¶ÔÄúÓаïÖú£¬×£Äú½¡¿µ£¡
ckµêÒ·þÄÜÍË»õÂð
2.Èç¹ûÊÇÍøµã¹ºÂòµÄ£¬¿ÉÒÔÉêÇëÍ˿ÊÇÂò¼ÒµÃÖ§¸¶¹ýÈ¥µÄÓÊ·Ñ£¬È»ºó²ÅÄܰìÀíÍ˿Í˿¾ÝÒ²ÒªÁôºÃ£¬È»ºó½«µ¥¾ÝºÅºÍÖ§¸¶±¦Õʺŷ¢µ½ËüµÄÖ¸¶¨ÓÊÏä¡£¿ÉÒÔ**¡£Ð¡CKʵÌåµêÖ§³Ö...
ÎÒÏëÎÊÏÂÎÒÕâ¸öÔÂ×öµÄÐļ¡Ã¸,»¹Óòé¶þ´ÎÂð? - ¿ìËÙÎÊ...
¶øhs-cTn¡¢MbºÍCK-MBmass×÷ΪĿǰ¶ÔAMIÕïÁƽÏΪÓÐЧµÄÐêÖ¾ÎïÒѱ»ÁÙ´²ËùÖØÊ¶¡£Èç¹ûÌõ¼þÔÊÐíµÄ»°£¬½¨Òé´ÎÔ¾Ͳé
C BiockµÚ¶þ´ÎµÄ°®µÄ¸è´Ê
Íü²»µô£¬×°×÷Óöµ½£¬Î¢Ð¦¡£ÄãµÄÐÄÌø£¬»¹ÔÚÎҵĶú±ßÝÓÈÆ¡£µÚÒ»½Ú£ºÄã»áÈÃÎұȴÓǰ¸ü³ÁĬ£¬Äѹý¡£»¹ÔÚµÈÄã¶ÔÎÒ˵Íí°²£¬È´ÈÃÆÚ´ý±ä³ÉʧÂä¡£Ôõô˵Ôõô×ö£¬²ÅÄÜÃÖ²¹ÄÇЩ´³¹ý...
´óѧÏßÐÔ´úÊýÖÐ,¶þ´ÎÐÍ»¯¶àÏîʽ,ÀûÓþØÕóµÄºÏͬ±ä»»·¨(ͼÖÐ...
ÒòΪ¶þ´ÎÐÍP^TAP=diag(¡¡)ÖÐPºÍP^TÊÇ¿ÉÄæµÄ£¬¿ÉÄæ¾ØÕó¿ÉÒÔ±íʾΪ³õµÈÐУ¨ÁУ©¾ØÕóµÄ³Ë»ýÐÎʽ£¬P=C1C2¡Ck¡£ÄÇôP^TAP=Ck^T...C2^...
¼¡ËἤøCKÆ«¸ß,ÇëÎÊΪʲô»áÆ«¸ß, - ÓÐÎʱشð
05µÚÈý´Î¼ì²é20110804Î޹ȲÝת°±Ã¸AST218-40¼¡ËἤøCK25224-195¼¡Ëἤøͬ¹¤Ã¸»îÐÔCK-MB130-25ÈéËáÍÑÇâøLDH193100-190a-ôǶ¡ËáÍÑÇâø14480-...
¡°CKÇáÉÝÜö¡±Àϰå¹ËÌìÎͼÒÑϳµ,Ä㻹ÔÚ´òÇ®?
ºÏ¹æÐÔ£ºCKÇáÉÝÜöͨ¹ý¸ü»»·¨ÈË¡¢Ðé¼ÙÐû´«¹æ±Ü¼à¹Ü£¬ÓëÉÏÊй«Ë¾ºÏ·¨¾ÓªÒªÇó±³µÀ¶ø³Û¡£½¨ÒéÁ¢¼´Ö¹Ëð£ºÍ£Ö¹Í¶È룺²ÙÅÌÊÖÒÑϳµ£¬¼ÌÐø´òÇ®ÎÞÒìÓÚ¡°...
ѪÇå¼ì²éµÄ¼¡Ëἤø(CK)ÊýÖµ¸ßÓÚ2300 - ÓÐÎÊ... - ÓÐÎʱشð
ѪÇå¼ì²éµÄ¼¡Ëἤø£¨CK£©ÊýÖµ¸ßÓÚ2300½¡¿µ×ÉѯÃèÊö£ºÇëÎÊÎÒÃÇÈ¥Ò½Ôº¼ì²é½á¹û90ÌìµÄÓ¤¶ùѪÇå¼ì²éµÄ¼¡Ëἤø(CK)ÊýÖµ¸ßÓÚ2300,»¼ÓÐʲô¼²²¡,ÊÇ·ñ...
Ѫѹ¼Æ¶þ´Î¼Óѹ׼Âð
³¤À¤µç×ÓѪѹ¼Æ£¬Íóʽ¿îCK-101SΪÀý£¬ÕýȷӦʹÓÃÒÔϲÙ×÷¡£1¡¢½«ÑªÑ¹¼Æ½ô²øÓÚ×óÊÖÊÖÍóÉÏ;2¡¢½«Íó´øÌ×ÔÚ´ÓÊÖÕÆµ½ÊÖÍó¾àÀë10¡ª15MM´¦(¼´Ò»Ê³Ö¸¿í);3¡¢Çë²»Òª°ÑÐä¿Ú¾í...