ÌâÄ¿ÄÚÈÝ

¹âµç¼ÆʱÆ÷ÊÇÒ»ÖÖÑо¿ÎïÌåÔ˶¯Çé¿öµÄ³£ÓüÆʱÒÇÆ÷£¬Æä½á¹¹Èçͼ1Ëùʾ£¬a¡¢b·Ö±ðÊǹâµçÃŵļ¤¹â·¢ÉäºÍ½ÓÊÕ×°Ö㬵±ÓÐÎïÌå´Óa¡¢b¼äͨ¹ýʱ£¬¹âµç¼ÆʱÆ÷¾Í¿ÉÒÔÏÔʾÎïÌåµÄµ²¹âʱ¼ä£¬ÀûÓùâµç¼ÆʱÆ÷À´Ì½¾¿ºÏÍâÁ¦×ö¹¦Ó붯Äܱ仯µÄ¹Øϵ£®
Èçͼ2Ëùʾ£¬Ë®Æ½ÃæOµã×ó²àÊǹ⻬ƽÃ棬ÓÒ²àÊÇ´Ö²ÚƽÃ棬µ¯»ÉµÄ×ó¶Ë¹Ì¶¨ÔÚÊúÖ±µÄǽ±ÚÉÏ£¬µ¯»É´¦ÓÚ×ÔÈ»³¤¶ÈʱÓÒ¶ËÇ¡ºÃÔÚOµã£¬ÔÚOµã¹Ì¶¨¹âµçÃÅ¿ÉÒÔ²â³öľ¿éͨ¹ýOµãµÄʱ¼ä£¬Ä¾¿éÓ뵯»É²»ÏàÁ¬£®ÏÖÓÃľ¿é½«µ¯»ÉѹËõÒ»¶Î¾àÀ룬ȻºóÓɾ²Ö¹ÊÍ·Å£¬½«µ¯»ÉѹËõµÄ³¤¶Èx¡¢Ä¾¿éͨ¹ý¹âµçÃŵÄʱ¼ät¡¢Ä¾¿éÔÚ´Ö²ÚˮƽÃæÉÏ»¬ÐеľàÀës¼ÇÈë±íÖУ®

ʵÑéÐòºÅ123456
ѹËõÁ¿x/cm101520253035
ʱ¼ät/s0.1000.0670.0500.0400.0330.029
¾àÀës/m0.501.132.003.124.506.13
£¨1£©Èôľ¿é³¤L£¬Í¨¹ý¹âµçÃÅʱ¼ät£¬Ôòľ¿éͨ¹ý¹âµçÃÅʱµÄËÙ¶Èv=______£»
£¨2£©´ÓÀíÂÛÉϽ²£¬Ä¾¿éÔÚ´Ö²ÚˮƽÃæÉÏ»¬¶¯µÄ¾àÀësºÍľ¿éͨ¹ý¹âµçÃŵÄʱ¼ät¹ØϵӦÊÇs¡Ø______£»ÇëÄãÔËÓÃÊý¾Ý±íÖвⶨµÄÊý¾ÝÔÚͼaËùʾµÄ×ø±êϵÖÐ×÷³öÏàÓ¦µÄͼÏóÑéÖ¤ÀíÂÛµÄÕýÈ·ÐÔ£»
£¨3£©Ñ¡ÔñÊʵ±µÄÎïÀíÁ¿ÔÚͼbËùʾµÄ×ø±êÖ½ÉÏ×÷³öÄÜÖ±¹Û·´Ó³Ä¾¿éÔÚ´Ö²ÚˮƽÃæÉÏ»¬ÐоàÀësÓ뵯»ÉѹËõÁ¿xµÄ¹ØϵͼÏ󣬸ù¾ÝͼÏóд³öµÄ¹ØϵӦÊÇs¡Ø______£»
£¨4£©ÓÉÄÜÁ¿Êغ㶨ÂÉ£¬µ¯»ÉµÄ×î´óµ¯ÐÔÊÆÄÜÓ¦µÈÓÚľ¿éÔÚˮƽÃæÉÏ»¬ÐÐÖвúÉúµÄ×ÜÄÚÄÜ£¬ÓÉ´Ë¿ÉÒÔÈ·¶¨µ¯»ÉµÄµ¯ÐÔÊÆÄÜÓ뵯»ÉѹËõÁ¿µÄ¹ØϵӦÊÇEP¡Ø______£®

¡¾´ð°¸¡¿·ÖÎö£º£¨1£©ÀûÓùâµçÃŲâÎïÌåËٶȵÄÔ­ÀíÊÇÀûÓÃÆäƽ¾ùËٶȴúÌæ˲ʱËٶȣ»
£¨2£©¸ù¾ÝÔ˶¯Ñ§¹«Ê½v2=2as¿ÉÒÔÍƵ¼³öľ¿éÔÚ´Ö²ÚˮƽÃæÉÏ»¬¶¯µÄ¾àÀësºÍľ¿éͨ¹ý¹âµçÃŵÄʱ¼ät¹Øϵ£®
£¨3£©ÀûÓÃÃèµã·¨¿ÉÒÔ»­³öͼÏ󣬲¢Äܵóö½áÂÛ£»
£¨4£©ÀûÓÃÃèµã·¨¿ÉÒÔ»­³öͼÏ󣬲¢Äܵóö½áÂÛ£®
½â´ð£º½â£º£¨1£©ÀûÓÃľ°åͨ¹ý¹âµçÃŵÄƽ¾ùËÙ¶ÈÀ´´úÌæ˲ʱËٶȣ¬Òò´ËÓУº

¹Ê´ð°¸Îª£º£®
£¨2£©¸ù¾ÝÔ˶¯Ñ§¹«Ê½µÃ£ºv2=2as£¬µÃ£º£®
Òò´Ëľ¿éÔÚ´Ö²ÚˮƽÃæÉÏ»¬¶¯µÄ¾àÀësºÍľ¿éͨ¹ý¹âµçÃŵÄʱ¼ät¹ØϵӦÊÇ£ºs¡Øt-2£®
¸ù¾Ý±í¸ñÖÐÊý¾Ý£¬µÃ³ösÓët-2µÄ¹ØϵͼÏóΪ£º

£¨3£©ÀûÓÃÃèµã·¨»­³öͼÏóÈçÏÂËùʾ£º

ͼÏóΪ¹ýÔ­µãµÄÖ±Ïߣ¬Òò´Ës¡Øx2£®
¹Ê´ð°¸Îª£ºx2£®
£¨4£©¸ù¾Ý¹¦ÄܹØϵ¿ÉÖª£¬µ¯»ÉµÄµ¯ÐÔÊÆÄÜÓ뵯»ÉѹËõÁ¿µÄ¹ØϵӦÊÇEP¡Øx2£®
¹Ê´ð°¸Îª£ºx2£®
µãÆÀ£ºÃ÷ȷʵÑéÔ­Àí£¬ÀûÓÃËùѧ»ù´¡ÎïÀí֪ʶ½øÐÐÊý¾Ý´¦Àí£¬ÓÈÆä×¢ÒâÀûÓÃͼÏ󷨽øÐÐÊý¾Ý´¦Àí£¬Ê¹ÎÊÌâ±äµÄ¸ü¼ÓÖ±¹Û¡¢Ã÷ÁË£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
¹âµç¼ÆʱÆ÷ÊÇÒ»ÖÖÑо¿ÎïÌåÔ˶¯Çé¿öµÄ³£ÓüÆʱÒÇÆ÷£¬Æä½á¹¹Èçͼ£¨a £© Ëùʾ£¬a¡¢b·Ö±ðÊǹâµçÃŵļ¤¹â·¢ÉäºÍ½ÓÊÜ×°Ö㬵±ÓÐÎïÌå´Óa¡¢b¼äͨ¹ýʱ£¬¹âµç¼ÆʱÆ÷¾Í¿ÉÒÔ¾«È·µØ°ÑÎïÌå´Ó¿ªÊ¼µ²¹âµ½µ²¹â½áÊøµÄʱ¼ä¼Ç¼ÏÂÀ´£®ÏÖÀûÓÃͼ£¨b£©ËùʾµÄ×°ÖòâÁ¿»¬¿éºÍ³¤Ä¾°å¼äµÄ¶¯Ä¦²ÁÒòÊý£¬Í¼ÖÐMNÊÇˮƽ×ÀÃ棬QÊdz¤Ä¾°åÓë×ÀÃæµÄ½Ó´¥µã£¬1ºÍ2Êǹ̶¨ÔÚ³¤Ä¾°åÉÏÊʵ±Î»ÖõÄÁ½¸ö¹âµçÃÅ£¬ÓëÖ®Á¬½ÓµÄÁ½¸ö¹âµç¼ÆʱÆ÷ûÓл­³ö£¬³¤Ä¾°å¶¥¶ËPµãÐüÓÐһǦ´¸£¬ÊµÑéʱ£¬Èû¬¿é´Ó³¤Ä¾°åµÄ¶¥¶Ë»¬Ï£¬¹âµçÃÅ1¡¢2¸÷×ÔÁ¬½ÓµÄ¼ÆʱÆ÷ÏÔʾµÄµ²¹âʱ¼ä·Ö±ðΪ1.0¡Á10-2 sºÍ4.0¡Á10-3 s£®Óþ«¶ÈΪ0.05mmµÄÓα꿨³ß²âÁ¿»¬¿éµÄ¿í¶ÈΪd£¬ÆäʾÊýÈçͼ£¨c£©Ëùʾ£®

£¨1£©»¬¿éµÄ¿í¶Èd=
1.010
1.010
 cm£®
£¨2£©»¬¿éͨ¹ý¹âµçÃÅ1ʱµÄËÙ¶Èv1=
1.0
1.0
 m/s£¬»¬¿éͨ¹ý¹âµçÃÅ2ʱµÄËÙ¶Èv2=
2.5
2.5
 m/s£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨3£©Óɴ˲âµÃµÄ˲ʱËÙ¶Èv1ºÍv2Ö»ÊÇÒ»¸ö½üËÆÖµ£¬ËüÃÇʵÖÊÉÏÊÇͨ¹ý¹âµçÃÅ1ºÍ2ʱµÄ
ƽ¾ùËÙ¶È
ƽ¾ùËÙ¶È
£¬ÒªÊ¹Ë²Ê±ËٶȵIJâÁ¿Öµ¸ü½Ó½üÓÚÕæʵֵ£¬¿É½«
»¬¿é
»¬¿é
µÄ¿í¶È¼õСһЩ£®
¹âµç¼ÆʱÆ÷ÊÇÒ»ÖÖÑо¿ÎïÌåÔ˶¯Çé¿öµÄ³£ÓüÆʱÒÇÆ÷£¬Æä½á¹¹Èçͼ1£¨a£©Ëùʾ£¬a¡¢b·Ö±ðÊǹâµçÃŵļ¤¹â·¢ÉäºÍ½ÓÊÜ×°Ö㬵±ÓÐÎïÌå´Óa¡¢b¼äͨ¹ýʱ£¬¹âµç¼ÆʱÆ÷¾Í¿ÉÒÔ¾«È·µØ°ÑÎïÌå´Ó¿ªÊ¼µ²¹âµ½µ²¹â½áÊøµÄʱ¼ä¼Ç¼ÏÂÀ´£®ÏÖÀûÓÃͼ1£¨b£©ËùʾµÄ×°ÖòâÁ¿»¬¿éºÍ³¤Ä¾°å¼äµÄ¶¯Ä¦²ÁÒòÊý£¬Í¼ÖÐMNÊÇˮƽ×ÀÃ棬QÊdz¤Ä¾°åÓë×ÀÃæµÄ½Ó´¥µã£¬1ºÍ2Êǹ̶¨ÔÚ³¤Ä¾°åÉÏÊʵ±Î»ÖõÄÁ½¸ö¹âµçÃÅ£¬ÓëÖ®Á¬½ÓµÄÁ½¸ö¹âµç¼ÆʱÆ÷ûÓл­³ö£¬³¤Ä¾°å¶¥¶ËPµãÐüÓÐһǦ´¸£¬ÊµÑéʱ£¬Èû¬¿é´Ó³¤Ä¾°åµÄ¶¥¶Ë»¬Ï£¬¹âµçÃÅ1¡¢2¸÷×ÔÁ¬½ÓµÄ¼ÆʱÆ÷ÏÔʾµÄµ²¹âʱ¼ä·Ö±ðΪ1.0¡Á10-2sºÍ4.0¡Á10-3s£®Óþ«¶ÈΪ0.05mmµÄÓα꿨³ß²âÁ¿»¬¿éµÄ¿í¶Èd£¬ÆäʾÊýÈçͼ2Ëùʾ£®
£¨1£©»¬¿éµÄ¿í¶Èd=
1.010
1.010
cm
£¨2£©»¬¿éͨ¹ý¹âµçÃÅ1ʱµÄËÙ¶Èv1=
1.0
1.0
m/s£¬»¬¿éͨ¹ý¹âµçÃÅ2ʱµÄËÙ¶Èv2=
2.5
2.5
m/s£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨3£©Óɴ˲âµÃµÄ˲ʱËÙ¶Èv1ºÍv2Ö»ÊÇÒ»¸ö½üËÆÖµ£¬ËüÃÇʵÖÊÉÏÊÇͨ¹ý¹âµçÃÅ1ºÍ2ʱµÄ
ƽ¾ùËÙ¶È
ƽ¾ùËÙ¶È
£¬ÒªÊ¹Ë²Ê±ËٶȵIJâÁ¿Öµ¸ü½Ó½üÓÚÕæʵֵ£¬¿É½«
»¬¿é
»¬¿é
µÄ¿í¶È¼õСһЩ£»
£¨4£©ÎªÁËʹ²âÁ¿¸ü¼Ó׼ȷ£¬³ý½øÐжà´ÎÖظ´²âÁ¿È¡Æ½¾ùÖµÍ⣬ÔÚ²»¸ü»»Æ÷²ÄµÄ»ù´¡ÉÏ£¬»¹¿É²ÉÈ¡µÄ°ì·¨ÓУºa£®
ÏÂÒƹâµçÃÅ2µÄλÖûòÔö´óL
ÏÂÒƹâµçÃÅ2µÄλÖûòÔö´óL
½øÐвâÁ¿£»b£®
Ôö¼Óľ°åµÄÇãб½Ç»òÔö´óPµãµÄ¸ß¶Èh
Ôö¼Óľ°åµÄÇãб½Ç»òÔö´óPµãµÄ¸ß¶Èh
½øÐвâÁ¿£®
¹âµç¼ÆʱÆ÷ÊÇÒ»ÖÖÑо¿ÎïÌåÔ˶¯Çé¿öµÄ³£¼ûÒÇÆ÷£®µ±ÓÐÎïÌå´Ó¹âµçÃÅͨ¹ýʱ£¬¹âµç¼ÆʱÆ÷¾Í¿ÉÒÔÏÔʾÎïÌåµÄµ²¹âʱ¼ä£®ÏÖÀûÓÃÈçͼ¼×ËùʾװÖÃ̽¾¿ÎïÌåµÄ¼ÓËÙ¶ÈÓëºÏÍâÁ¦¡¢ÖÊÁ¿¹Øϵ£¬Æä NQÊÇˮƽ×ÀÃ棬PQÊÇÒ»¶Ë´øÓл¬Âֵij¤Ä¾°å£¬1¡¢2Êǹ̶¨ÔÚľ°åÉϵÄÁ½¸ö¹âµçÃÅ£¨ÓëÖ®Á¬½ÓµÄÁ½¸ö¹âµç¼ÆʱÆ÷ûÓл­³ö£©£®Ð¡³µÉϹ̶¨×ÅÓÃÓÚµ²¹âµÄխƬK£¬²âµÃÆä¿í¶ÈΪd£¬ÈÃС³µ´Óľ°åµÄ¶¥¶Ë»¬Ï£¬¹âµçß÷×ÔÁ¬½ÓµÄ¼ÆʱÆ÷ÏÔʾխƬKµÄµ²¹âʱ¼ä·Ö±ðΪt1ºÍt2£®

£¨1£©¸ÃʵÑéÖУ¬ÔڸıäС³µµÄÖÊÁ¿M»òɳͰµÄ×ÜÖÊÁ¿mʱ£¬±£³ÖM£¾£¾m£¬ÕâÑù×öµÄÄ¿µÄÊÇ
С³µËùÊܺÏÍâÁ¦´óСµÈÓÚ£¨»òÔ¼µÈÓÚ£©mg
С³µËùÊܺÏÍâÁ¦´óСµÈÓÚ£¨»òÔ¼µÈÓÚ£©mg
£»
£¨2£©ÎªÁ˼ÆËãС³µµÄ¼ÓËٶȣ¬³ýÁ˲âÁ¿d¡¢t1ºÍt2Ö®Í⣬»¹ÐèÒª²âÁ¿
Á½¹âµçÃÅÖ®¼äµÄ¾àÀ루»ò¡°Ð¡³µÓɹâµçÃÅ1Ô˶¯ÖÁ¹âµçÃÅ2ËùÓÃʱ¼ä¡±£©
Á½¹âµçÃÅÖ®¼äµÄ¾àÀ루»ò¡°Ð¡³µÓɹâµçÃÅ1Ô˶¯ÖÁ¹âµçÃÅ2ËùÓÃʱ¼ä¡±£©
£¬ÈôÉÏÊö²âÁ¿Á¿ÓÃx±íʾ£¬ÔòÓÃÕâЩÎïÀíÁ¿¼ÆËã¼ÓËٶȵıí´ïʽΪa=
d2(
t
2
1
-
t
2
2
)
2x
t
2
1
t
2
2
£¨»ò¡°a=
d(t1-t2)
tt1t2
¡±£©
d2(
t
2
1
-
t
2
2
)
2x
t
2
1
t
2
2
£¨»ò¡°a=
d(t1-t2)
tt1t2
¡±£©
£»
£¨3£©Ä³Î»Í¬Ñ§¾­²âÁ¿¡¢¼ÆËã»ñµÃµÄÊý¾Ý×÷³öÁËС³µ¼ÓËÙ¶ÈÓëËùÊܺÏÍâÁ¦µÄ¹ØϵͼÏó£¨Í¼ÒÒ£©£¬ÊÔÖ¸³öͼÏß²»¹ýÔ­µã²úÉúÎó²îµÄÖ÷ÒªÔ­Òò£®
ľ°åÇã½ÇƫС£¨»ò¡°Æ½ºâĦ²ÁÁ¦²»×㡱»ò¡°Ä©ÍêȫƽºâĦ²ÁÁ¦¡±£©
ľ°åÇã½ÇƫС£¨»ò¡°Æ½ºâĦ²ÁÁ¦²»×㡱»ò¡°Ä©ÍêȫƽºâĦ²ÁÁ¦¡±£©
£®
£¨1£©¢ñ£®ÔÚ¡°»¥³É½Ç¶ÈµÄÁ½¸öÁ¦µÄºÏ³É¡±ÊµÑéÖУ¬ÓÃÁ½¸öµ¯»É³Ó·Ö±ð¹³×¡Ï¸ÉþÌ×£¬»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ËüÉ쳤µ½Ä³Ò»Î»ÖÃOµã£¬ÎªÁËÈ·¶¨Á½¸ö·ÖÁ¦µÄ´óСºÍ·½Ïò£¬ÕâÒ»²½²Ù×÷ÖбØÐë¼Ç¼µÄÊÇ
BD
BD

A£®ÏðƤÌõ¹Ì¶¨¶ËµÄλÖà          B£®ÃèÏÂOµãλÖúÍÁ½ÌõϸÉþÌ׵ķ½Ïò
C£®ÏðƤÌõÉ쳤ºóµÄ×ܳ¤¶È         D£®Á½¸öµ¯»É³ÓµÄ¶ÁÊý
¢ò£®×öʵÑéʱ£¬¸ù¾Ý²âÁ¿½á¹ûÔÚ°×Ö½ÉÏ»­³öÈçͼ1ËùʾµÄͼ£¬ÆäÖÐOΪÏðƤ½îÓëϸÉþµÄ½áµã£®Í¼ÖеÄ
F
F
ÊÇF1ºÍF2µÄºÏÁ¦µÄÀíÂÛÖµ£»
F¡ä
F¡ä
ÊÇF1ºÍF2µÄºÏÁ¦µÄʵ¼Ê²âÁ¿Öµ£®
£¨2£©ÔÚÈçͼÒÒͬÖÖ²ÄÁÏÁ½Ä¾°åͨ¹ýһС¶ÎÔ²»¡Á¬½Ó³ÉÒ»¸öбÃæºÍˮƽÃ沿·Ö£¬ÏÖÒª²âÁ¿Õý·½ÌåСÌú¿éA¡¢BºÍÕâľ°å¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£¬ÀûÓÃÁËÈçÏÂÆ÷²ÄºÍ·½·¨£º£¨Ë®Æ½²¿·Ö×ã¹»³¤£¬ÖØÁ¦¼ÓËÙ¶ÈΪg£©
¢ñ£®Óà20 ¸öµÈ·Ö¿Ì¶ÈµÄÓα꿨³ß²â¶¨Ð¡Ìú¿éAµÄ±ß³¤dÈçͼ±û£¬²âµÃ³¤¶ÈΪd=
2.020
2.020
cm£®
¢ò£®¹âµç¼ÆʱÆ÷ÊÇÒ»ÖÖÑо¿ÎïÌåÔ˶¯µÄ³£ÓüÆʱÆ÷£¬Æä½á¹¹Èçͼ¼×Ëùʾ£¬a¡¢b ·Ö±ðÊǹâµçÃŵļ¤¹â·¢ÉäºÍ½ÓÊÕ×°Ö㬵±ÓÐÎïÌå´Ó a¡¢b ¼äͨ¹ýʱ£¬¹âµç¼ÆʱÆ÷¾Í¿ÉÒÔÏÔʾÎïÌåµÄµ²¹âʱ¼ä£®´Ó¶ø¿ÉÒÔËãµÃÎïÌåµÄËٶȣ®

½«Ð±ÃæÌåÖÃÓÚˮƽ×ÀÃæÉÏ£¬Ð±Ã涥¶Ë P Ðü¹ÒһǦ´¹Ïߣ¬Q Îª×¶¼âÓë×ÀÃæµÄ½Ó´¥µã£¬1ºÍ 2 Êǹ̶¨ÔÚбÃæÉϵÄÁ½¸ö¹âµçÃÅ£¨ÓëÖ®Á¬½ÓµÄµç·δ»­³ö£©£¬ÈÃСÌú¿éAÓÉPµãÑØбÃ滬Ï£¬Ð¡Ìú¿éͨ¹ý¹âµçÃÅ 1¡¢2 µÄʱ¼ä·Ö±ðΪ¡÷t1¡¢¡÷t2£¬ÓÃÃ׳߲âµÃ l¡¢2 Ö®¼äµÄ¾àÀëΪ L£¬ÔòСÌú¿éÏ»¬¹ý³ÌÖеļÓËÙ¶Èa=
a=
d2(¡÷t12-¡÷t22)
2L¡÷t12¡÷t22
a=
d2(¡÷t12-¡÷t22)
2L¡÷t12¡÷t22
£»£¨ÓÃÌâÖÐ×Öĸ±íʾ£© ÔÙÀûÓÃÃ׳߲â³ö
PQµÄ¾àÀëh
PQµÄ¾àÀëh
¡¢
бÃ沿·Ö³¤s
бÃ沿·Ö³¤s
£¬¾Í¿ÉÒÔ²âµÃ¶¯Ä¦²ÁÒòÊý¦Ì1£®
¢ó£®ÈôÔÙ²âÌú¿éBºÍ°å¼ä¶¯Ä¦²ÁÒòÊý¦Ì2ʱ£¬¹âµç¼ÆʱÆ÷³öÏÖ¹ÊÕϲ»ÄÜʹÓã¬ÏÖÖ»ÀûÓÃÃ׳ßÍê³ÉʵÑ飬ÈôÒѲâµÃPQ¸ßΪh£¬ÔòÖ»ÐèÒªÔÙ²â
»¬¿é×Ô¿ªÊ¼µ½Í£ÏµÄˮƽλÒÆL
»¬¿é×Ô¿ªÊ¼µ½Í£ÏµÄˮƽλÒÆL
£®£¨ÒªÇóÖ»ÄÜÔÙ²âÒ»¸öÎïÀíÁ¿£©
²âµÃµÄ¶¯Ä¦²ÁÒòÊý¦Ì2=
??
h
x
?????????
??
h
x
?????????
£¨ÓÃÒÑÖªÁ¿ºÍ²â¶¨µÄÎïÀíÁ¿Ëù¶ÔÓ¦µÄ×Öĸ±íʾ£©
I£®¹âµç¼ÆʱÆ÷ÊÇÒ»ÖÖÑо¿ÎïÌåÔ˶¯µÄ³£ÓüÆʱÆ÷£¬Æä½á¹¹Èçͼ¼×Ëùʾ£¬a¡¢b ·Ö±ðÊǹâµçÃŵļ¤¹â·¢ÉäºÍ½ÓÊÕ×°Ö㬵±ÓÐÎïÌå´Ó a¡¢b ¼äͨ¹ýʱ£¬¹âµç¼ÆʱÆ÷¾Í¿ÉÒÔÏÔʾÎïÌåµÄµ²¹âʱ¼ä£®
¾«Ó¢¼Ò½ÌÍø
ÀûÓÃͼÒÒËùʾװÖòⶨÕý·½ÌåСÌú¿éºÍÓɳ¤Ä¾°åÖƳɵÄбÃæÌ壨°üÀ¨Ë®Æ½²¿·Ö£¬Ð±ÃæÓëˮƽÃæÖ®¼äÓÐһС¶ÎÔ²»¡Á¬½Ó£¬³¤¶ÈºöÂÔ²»¼Æ£¬Ë®Æ½²¿·Ö×ã¹»³¤£¬ÖØÁ¦¼ÓËÙ¶ÈΪg£©¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£®
£¨1£©ÓÃ20¸öµÈ·Ö¿Ì¶ÈµÄÓα꿨³ß²â¶¨Ð¡Ìú¿éµÄ±ß³¤³ö
 
mm£®£¨ Èçͼ±ûËùʾ£©
£¨2£©½«Ð±ÃæÌåÖÃÓÚˮƽ×ÀÃæÉÏ£¬Ð±Ã涥¶Ë P Ðü¹ÒһǦ´¹Ïߣ¬Q Îª×¶¼âÓë×ÀÃæµÄ½Ó´¥µã£¬1ºÍ 2 Êǹ̶¨ÔÚбÃæÉϵÄÁ½¸ö¹âµçÃÅ£¨ÓëÖ®Á¬½ÓµÄµç·δ»­³ö£©£¬ÈÃСÌú¿éÓÉPµãÑØбÃ滬Ï£¬Ð¡Ìú¿éͨ¹ý¹âµçÃÅ 1¡¢2 µÄʱ¼ä·Ö±ðΪ¡÷t1¡¢¡÷t2£¬ÓÃÃ׳߲âµÃ l¡¢2 Ö®¼äµÄ¾àÀëΪ L£¨L£¾£¾d£©£¬ÔòСÌú¿éÏ»¬¹ý³ÌÖеļÓËٶȠa=
 
£»ÔÙÀûÓÃÃ׳߲â³ö
 
¡¢
 
£¬¾Í¿ÉÒÔ²âµÃ¶¯Ä¦²ÁÒòÊý ¦Ì£®
£¨3£©Èô¹âµç¼ÆʱÆ÷³öÏÖ¹ÊÕϲ»ÄÜʹÓã¬ÏÖÖ»ÀûÓÃÃ׳߲ⶨ¶¯Ä¦²ÁÒòÊý ¦Ì£¬Çëд³öʵÑé·½°¸£º
 
²âµÃµÄ¶¯Ä¦²ÁÒòÊý¦Ì=
 
£®£¨ÓòⶨµÄÎïÀíÁ¿Ëù¶ÔÓ¦µÄ×Öĸ±íʾ£©

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

¾«Ó¢¼Ò½ÌÍø