ÌâÄ¿ÄÚÈÝ

(08ÄêÖ麣ÊÐÄ£Äâ)£¨Ñ¡ÐÞ3¨D3£¨º¬2¨D2£©Ä£¿é£©£¨11·Ö£©Èçͼ£¬ÔÚÒ»¶Ë¿ª¿Ú¡¢Ò»¶Ë·â±Õ¡¢´Öϸ¾ùÔȵIJ£Á§¹ÜÄÚ£¬Ò»¶Î³¤Îªh=25cmµÄË®ÒøÖù·â±Õ×ÅÒ»¶¨ÖÊÁ¿µÄÀíÏëÆøÌ壬µ±²£Á§¹Üˮƽ·ÅÖÃʱ£¬¹ÜÄÚÆøÖù³¤¶ÈΪL1=20cm£¨Èçͼa£©£¬´óÆøѹǿP0=75cmHg£¬ÊÒÎÂt1=27¡æ£®½«²£Á§¹Üת¹ý90o£¬Ê¹Ëü¿ª¿ÚÏòÉÏ£¬²¢½þÈëÈÈË®ÖУ¨Èçͼb£©£¬´ýÎȶ¨ºó£¬²âµÃ²£Á§¹ÜÄÚÆøÖùµÄ³¤¶ÈL2=17.5cm£®

£¨1£©Çó´Ëʱ¹ÜÄÚÆøÌåµÄζÈt2

£¨2£©±£³Ö¹ÜÄÚÆøÌåµÄζÈt2²»±ä£¬Íù²£Á§¹ÜÄÚ»ºÂý¼ÓÈëË®Òø£¬µ±·â±ÕµÄÆøÖù³¤¶ÈL3=14cmʱ£¬¼ÓÈëµÄË®ÒøÖù³¤¶ÈÊǶàÉÙ£¿£¨²£Á§¹Ü×ã¹»³¤£©£®

½âÎö£º

£¨1£©                          £¨3·Ö£©

½âµÃ£ºt2=77¡æ                                         £¨2·Ö£©

£¨2£©                       £¨3·Ö£©

½âµÃ£º                                    £¨3·Ö£©

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø