ÌâÄ¿ÄÚÈÝ

I£®Ä³Í¬Ñ§Éè¼ÆÁËÓÃÈçͼËùʾµÄµç·²âÁ¿Á¿³ÌΪ1VµÄµçѹ±íµÄÄÚ×èRV£¨RVÔÚ800¦¸-900¦¸Ö®¼ä£©ÊµÑé²½ÖèºÍ·½·¨ÊÇ£º

¢Ù¶Ï¿ª¿ª¹ØS£¬°´ÓÒͼÁ¬½ÓºÃµç·¢Ú°Ñ»¬¶¯±ä×èÆ÷µÄ´¥Í·P»¬µ½a¶Ë¢Û½«µç×èÏäRµÄ×èÖµµ÷ΪÁã¢Ü±ÕºÏ¿ª¹ØS¢Ýµ÷½Ú»¬¶¯±ä×èÆ÷RµÄ×èÖµ£¬Ê¹µçѹ±íµÄʾÊýΪ1V¢Þµ÷½Úµç×èÏäRµÄ×èÖµ£¬Ê¹µçѹ±íµÄʾÊýΪ0.5V£¬´Ëʱµç×èÏäRµÄÖµ¼´Îªµçѹ±íµÄÄÚµç×èRVµÄ²âÁ¿Öµ¢ß×îºó¶Ï¿ª¿ª¹ØS£®
ʵÑéÊҿɹ©Ñ¡ÔñµÄʵÑéÆ÷²ÄÓУº
A£®´ý²âµçѹ±íB£®»¬¶¯±ä×èÆ÷£¬×î´ó×èÖµ1000¦¸
C£®»¬¶¯±ä×èÆ÷£¬×î´ó×èÖµ10¦¸D£®µç×èÏ䣺×î´ó×èÖµ999.9¦¸
E£®µç×èÏ䣺×î´ó×èÖµ99.9¦¸F£®µç³Ø×飺µç¶¯ÊÆÔ¼4V£¬ÄÚ×è¿ÉºöÂÔ
G£®µç³Ø×飺µç¶¯ÊÆÔ¼8V£¬ÄÚ×è¿ÉºöÂÔ
ÒÔ¼°µ¼ÏߺͿª¹ØµÈ£¬°´ÕÕÕâλͬѧÉè¼ÆµÄʵÑé·½·¨£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÈËʹÓñ¾·½·¨²âÁ¿µÃ½Ï¾«È·£¬¶øÇÒʹÓÃÒÇÆ÷¸öÊý×îÉÙ£¬³ýÁ˵¼Ïߣ¬¿ª¹ØºÍ´ý²âµçѹ±íÍ⣬»¹Ó¦´ÓÌṩµÄB¡¢C¡¢D¡¢E¡¢F¡¢GÆ÷²ÄÖÐÑ¡ÓÃ
CDG
CDG
£¨ÓÃÆ÷²ÄµÄÐòºÅ×Öĸ±íʾ£©
£¨2£©¶ÔÓÚÉÏÊö·½·¨²â³öµÄµçѹ±íÄÚ×èRVµÄ²âÁ¿ÖµR²âºÍÕæʵֵRÕæ¼°²âÁ¿Îó²î£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
AD
AD
£®
A£®R²â£¾RÕæ
B£®R²â£¼RÕæ
C£®ÈôRVÔ½´ó£¬²âÁ¿ÖµR²âÏà¶ÔÓÚÕæʵֵRÕæµÄÎó²î¾ÍÔ½´ó
D£®ÈôRVÔ½´ó£¬²âÁ¿ÖµR²âÏà¶ÔÓÚÕæʵֵRÕæµÄÎó²î¾ÍԽС
II£®£¨10·Ö£©Ñ§¹ýµ¥°ÚµÄÖÜÆÚ¹«Ê½ÒÔºó£¬ÎïÀíÐËȤС×éµÄͬѧÃǶÔÖÖ°Ú²úÉúÁËÐËȤ£¬ÀÏʦ½¨ÒéËûÃÇÏÈÑо¿Óúñ¶ÈºÍÖÊÁ¿·Ö²¼¾ùÔȵķ½±¾¿é£¨ÈçÒ»°ÑÃ׳ߣ©×ö³ÉµÄ°Ú£¨ÕâÖÖ°Ú±»³ÆΪ¸´°Ú£©£¬ÈçͼËùʾ£®ÈÃÆäÔÚÊúֱƽÃæÄÚ×öС½Ç¶È°Ú¶¯£¬CµãΪÖØÐÄ£¬°å³¤ÎªL£¬ÖÜÆÚÓÃT±íʾ£®
¼×ͬѧ²ÂÏ룺¸´°ÚµÄÖÜÆÚÓ¦¸ÃÓë°åµÄÖÊÁ¿Óйأ®
ÒÒͬѧ²ÂÏ룺¸´°ÚµÄ°Ú³¤Ó¦¸ÃÊÇÐüµãµ½ÖØÐĵľàÀë
L
2
£®
±ûͬѧ²Â£º¸´°ÚµÄ°Ú³¤Ó¦¸Ã´óÓÚ
L
2
£®ÀíÓÉÊÇ£ºÈôOC¶Î¿´³ÉϸÏߣ¬Ïß˨ÔÚC´¦£¬CµãÒÔϲ¿·ÖµÄÖØÐÄÀëOµãµÄ¾àÀëÏÔÈ»´óÓÚ
L
2
£®
ΪÁËÑо¿ÒÔÉϲÂÏëÊÇ·ñÕýÈ·£¬Í¬Ñ§ÃǽøÐÐÁËÏÂÃæµÄʵÑé̽Ë÷£º
£¨1£©°ÑÁ½¸öÏàͬµÄľ°åÍêÈ«ÖصþÔÚÒ»Æð£¬ÓÃ͸Ã÷½º£¨ÖÊÁ¿²»¼Æ£©Õ³ºÃ£¬²âÁ¿Æä°Ú¶¯ÖÜÆÚ£¬·¢ÏÖÓëµ¥¸öľ°å°Ú¶¯µÄÖÜÆÚÏàͬ£¬ÖØ×ö¶à´ÎÈÔÓÐÕâÑùµÄÌص㣮ÔòÖ¤Ã÷Á˼×ͬѧµÄ²ÂÏëÊÇ
´íÎó
´íÎó
µÄ£¨Ñ¡Ìî¡°ÕýÈ·¡±»ò¡°´íÎó¡±£©
£¨2£©ÓÃT0±íʾ°å³¤ÎªLµÄ¸´°Ú¿´³É°Ú³¤Îª
L
2
£®µ¥°ÚµÄÖÜÆÚ¼ÆËãÖµ£¨T0=2¦Ð
L
2
g
£©£¬ÓÃT±íʾ°å³¤ÎªL¸´°ÚµÄʵ¼ÊÖÜÆÚ²âÁ¿Öµ£®¼ÆËãÓë²âÁ¿µÄÊý¾ÝÈçÏÂ±í£º
°å³¤L/cm 25 50 80 100 120 150
ÖÜÆÚ¼ÆËãÖµT0/s 0.70 1.00 1.27 1.41 1.55 1.73
ÖÜÆÚ²âÁ¿ÖµT/s 0.81 1.16 1.47 1.64 1.80 2.01
ÓÉÉϱí¿ÉÖª£¬¸´°ÚµÄµÈЧ°Ú³¤
´óÓÚ
´óÓÚ
£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©£®

£¨3£©ÎªÁ˽øÒ»²½¶¨Á¿Ñо¿£¬Í¬Ñ§ÃÇÓÃÃèµã×÷ͼ·¨¶ÔÊý¾Ý½øÐд¦Àí£¬ËùÑ¡×ø±êÈçͼ£®ÇëÔÚ×ø±êÖ½ÉÏ×÷³öT-T0ͼ£¬²¢¸ù¾ÝͼÏóÖз´Ó³³öµÄ¹æÂÉÇó³öLµÈ=
1.35
1.35
L
2
£®£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£¬ÆäÖÐLµÈÊǰ峤ΪLʱµÄµÈЧ°Ú³¤T=2¦Ð
LµÈ
g
£©£®
·ÖÎö£º¢ñµÄ¹Ø¼üÊÇÏëµ½½«µçѹ±íÓëµç×èÆ÷´®Áª£¬ÀûÓá°°ëÆ«·¨¡±·½·¨²âÁ¿µçѹ±íÄÚ×裬עÒâ´Ë·¨µÄʹÓÃÇ°ÌáÊDZä×èÆ÷µÄÊä³öµçѹ±£³Ö²»±ä²ÅÐУ¬²»ÄѸù¾ÝÅ·Ä·¶¨Âɺʹ®²¢ÁªÖªÊ¶¿ÉÖª£¬´ý²âµç·µÄµç×èÔ½´ó£¬Îó²î¾ÍԽС£»¢òµÄ¹Ø¼üÊÇÀà±Èµ¥°ÚµÄÖÜÆÚ¹«Ê½ÏȽøÐÔ²ÂÏëÈ»ºóʵÑéÑéÖ¤£®
½â´ð£º½â£ºI£®£¨1£©±¾Ìâ¿É²ÉÓá°°ëÆ«·¨¡±²âÁ¿µçѹ±íµÄÄÚ×裬ÈçͼËùʾ£¬Ïȱպϵç¼ü
s
 
1
ºÍ
s
 
2
£¬µ÷½Ú±ä×èÆ÷»¬¶¯´¥Í·£¬¶Á³öµçѹ±íµÄ¶ÁÊýΪU£»±£³Ö
s
 
1
´¥Í·²»±ä£¬¶Ï¿ªµç¼ü
s
 
2
£¬µ÷½Úµç×èÆ÷×èÖµ£¬Ê¹µçѹ±íµÄʾÊý
U
2
£¬¶Á³öµç×èÆ÷×èÖµ¼´Îªµçѹ±íµÄÄÚ×裬¹Ê³ýÁ˵¼Ïߣ¬¿ª¹ØºÍ´ý²âµçѹ±íÍ⣬»¹Ó¦´ÓÌṩµÄB¡¢C¡¢D¡¢E¡¢F¡¢GÆ÷²ÄÖÐÑ¡ÓÃCDG£®

£¨2£©´ËʵÑéµÄÇ°ÌáÊDZä×èÆ÷µÄÊä³öµçѹ±£³Ö²»±ä£¬Êµ¼ÊÉϸù¾ÝÅ·Ä·¶¨Âɺʹ®²¢Áª¹æÂÉ¿ÉÖª£¬±ÕºÏµç¼ü
s
 
2
ºó±ä×èÆ÷µÄÊä³öµçѹӦ¼õС£¬¹Êµç×èÏäµÄµç×èӦСÓÚµçѹ±íµç×裬¹Ê²âÁ¿ÖµÆ«Ð¡ËùÒÔBÕýÈ·£»ÏÔÈ»£¬Èô
R
 
V
Ô½´ó£¬Ôò±ä×èÆ÷µÄÊä³öµçѹ±ä»¯Ô½Ð¡£¬¼´Îó²îԽС£¬ËùÒÔDÕýÈ·£®
¹ÊÑ¡AD£®
II£®£¨1£©¸Ä±ä¸´°ÚµÄÖÊÁ¿¶ø²âµÃµÄÖÜÆÚ²»±ä£¬ËµÃ÷¸´°ÚÖÜÆÚÓëÖÊÁ¿Î޹أ¬¼´Ö¤Ã÷¼×ͬѧµÄ²ÂÏëÊÇ´íÎóµÄ£®
£¨2£©¸ù¾ÝT=2¦Ð
L/2
g
¿ÉÖª£¬¸´°ÚµÄµÈЧ°Ú³¤
L
2
£®
£¨3£©ÓÉÕýÈ·²âÁ¿±í
T
 
0
-T
ͼÏóÈçͼËùʾ¿ÉµÃбÂÊk=
¡÷T
 
0
¡÷T
=1.16£¬¸ù¾ÝT=2¦Ð
L
 
µÈЧ
g
¼°
T
 
0
=2¦Ð
L
2
g
£¬´úÈë¿ÉÇó³ö
L
 
µÈЧ
L
 
 
1.35£¬¼´
L
 
µÈЧ
=1.35
L
2
£®

¹Ê´ð°¸Îª¢ñ£¨1£©CDG£¬£¨2£©AD
¢ò£¨1£©´íÎ󣬣¨2£©´óÓÚ£¬£¨3£©1.35
µãÆÀ£º×¢Òâ¡°°ëÆ«·¨¡±²âÁ¿µçѹ±íÄÚ×èµÄ·½·¨Ô­Àí£¬µ±È»Ò²¿ÉÒÔ
1
3
»ò
1
4
Æ«¾ù¿ÉÒÔ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
I£®Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸ö²â¶¨¼¤¹â²¨³¤µÄʵÑé×°ÖÃÈçͼ¼×Ëùʾ£¬¼¤¹âÆ÷·¢³öµÄÒ»ÊøÖ±¾¶ºÜСµÄºìÉ«¼¤¹â½øÈëÒ»¸öÒ»¶Ë×°ÓÐË«·ì¡¢ÁíÒ»¶Ë×°ÓийâƬµÄÕÚ¹âͲ£¬¸Ð¹âƬµÄλÖÃÉϳöÏÖÒ»ÅŵȾàµÄÁÁµã£¬Í¼ÒÒÖеĺڵã´ú±íÁÁµãµÄÖÐÐÄλÖ㮾«Ó¢¼Ò½ÌÍø
£¨1£©Í¨¹ýÁ¿³öÏàÁÚ¹âµãµÄ¾àÀë¿ÉËã³ö¼¤¹âµÄ²¨³¤£¬¾Ý×ÊÁϽéÉÜ£¬ÈôË«·ìµÄ·ì¼ä¾àÀëΪa£¬ÔòË«·ìµ½¸Ð¹âƬµÄ¾àÀëΪL£¬¸Ð¹âƬÉÏÏàÁÚÁ½¹âµã¼äµÄ¾àÀëΪb£¬Ôò¹âµÄ²¨³¤¦Ë=
abL
£®¸Ãͬѧ²âµÄL=1.0000m£¬Ë«·ì¼ä¾àa=0.220mm£¬ÓôøÊ®·Ö¶ÈÓαêµÄ¿¨³ß²â¸Ð¹âƬÉϵĵã¼ä¾àʱ£¬³ßÓëµãµÄÖÐÐÄλÖÃÈçͼÒÒËùʾ£®Í¼ÒÒÖеÚÒ»¸ö¹âµãµ½µÚËĸö¹âµãµÄ¾àÀëÊÇ
 
mm£®ÊµÑéÖм¤¹âµÄ²¨³¤¦Ë=
 
m£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨2£©Èç¹ûʵÑéʱ½«ºì¼¤¹â»»³ÉÀ¶¼¤¹â£¬ÆÁÉÏÏàÁÚÁ½¹âµã¼äµÄ¾àÀ뽫
 
£®£¨±ä´ó¡¢±äС¡¢²»±ä£©
II£®ÏÖÒª²âÁ¿µçÁ÷±íG1µÄÄÚ×裬¸ø³öÏÂÁÐÆ÷²Ä£ºµçÁ÷±íG1£¨Á¿³Ì5mA£¬ÄÚ×èr1ԼΪ150¦¸×óÓÒ£©£¬µçÁ÷±íG2£¨Á¿³Ì10mA£¬ÄÚ×èr2ԼΪ100¦¸×óÓÒ£©¶¨Öµµç×èR1=100¦¸¡¢¶¨Öµµç×èR2=10¦¸»¬¶¯±ä×èÆ÷R3£¨0¡«200¦¸£©¸ÉµçE£¨1.5V£¬ÄÚ×èδ֪£©µ¥µ¶µ¥ÖÀ¿ª¹ØSµ¼ÏßÈô¸É
¢Ù¶¨Öµµç×èÑ¡
 
£»
¢ÚÔÚͼ±û·½¿òÖл­³öʵÑéµç·Éè¼Æͼ£¬²¢±êÃ÷ËùÓÃÆ÷²ÄµÄ´úºÅ£»
¢ÛÈôÑ¡²âÁ¿Êý¾ÝÖеÄÒ»×éÀ´¼ÆËãr1£¬ËùÓõıí´ïr1=
 
£¬Ê½Öи÷·ûºÅµÄÒâÒåÊÇ£º
 
£®
ijͬѧÉè¼ÆÁËÒ»¸öÈçͼ1ËùʾµÄʵÑéµç·£¬ÓÃÒԲⶨµçÔ´µç¶¯ÊƺÍÄÚ×裬ʹÓõÄʵÑéÆ÷²ÄΪ£º´ý²â¸Éµç³Ø×飨µç¶¯ÊÆEÔ¼3V£©¡¢µçÁ÷±í£¨Á¿³Ì0.6A£¬ÄÚ×èСÓÚ1¦¸£©¡¢µç×èÏäR £¨ 0¡«99.99¦¸£©¡¢»¬¶¯±ä×èÆ÷£¨0¡«10¦¸£©£®¿ª¹ØK¡¢Ë«ÖÀ¿ª¹ØS ¼°µ¼ÏßÈôǧ£®
¿¼Âǵ½¸Éµç³ØµÄÄÚ×è½ÏС£¬µçÁ÷±íµÄÄÚ×è²»ÄܺöÂÔ£®¸Ãͬѧ°´Í¼Á¬Ïߺ󣬣¨a£©±ÕºÏ¿ª¹ØK£¬¶Ï¿ª¿ª¹ØS£¬µ÷½Ú»¬¶¯±ä×èÆ÷P Ê¹µçÁ÷±í¶ÁÊýΪÂú¿Ì¶ÈÖµI 0£¬´Ëʱ»¬¶¯±ä×èÆ÷½ÓÈëµç·µÄ×èֵΪR1£» £¨b£©±ÕºÏ¿ª¹ØK£¬°Ñ¿ª¹ØSÓëC ½Óͨ£¬µ÷½Úµç×èÏäR Ê¹µçÁ÷±íÖ¸Õë¶ÁÊýΪÂú¿Ì¶ÈÖµµÄÒ»°ëI0/2£¬´ËʱRµÄֵΪR2£®ÔòµçÁ÷±íµÄÄÚ×èRA=
 
£¨ÌîR1»òR2£©£®¸Ã²âÁ¿ÖµÓëµçÁ÷±íÄÚ×èµÄÕæʵֵ£¨ÓÃRg ±íʾ£©±È½Ï£¬ÔòÓÐR A
 
Rg £¨Ìî´óÓÚ¡¢µÈÓÚ»òСÓÚ£©£®
ΪʹµçÔ´µç¶¯ÊƺÍÄÚ×è²âÁ¿µÄ¸ü¼Ó׼ȷ£¬¸Ãͬѧ°´Í¼Á¬Ïߺ󣬶Ͽª¿ª¹ØK£¬°Ñ¿ª¹ØS ÓëD ½Óͨ£¬¶à´Î¸Ä±äµç×èÏäµÄ×èÖµR£¬¶Á³öµçÁ÷±íµÄÏàӦʾÊýI£¬ÒÔ
l
I
Ϊ×Ý×ø±ê£¬RΪºá×ø±ê£¬ÓÉʵÑéÊý¾Ý»æ³ö
l
I
Ò»R Í¼Ïó£¬Èçͼ2Ëùʾ£¬¸ÃͼÏßΪһÌõÖ±Ïߣ®ÓÉͼÏ߿ɵõ½Ö±ÏßÔÚ×ÝÖáÉϵĽؾàΪm£¬Ö±ÏßµÄбÂÊΪk£¬µçÁ÷±íµÄÄÚ×èΪRA£¬ÓÉ´Ë¿ÉÇó³ö´ý²â¸Éµç³Ø×éµÄµç¶¯ÊÆE=
 
¡¢ÄÚ×èr=
 
£®
¾«Ó¢¼Ò½ÌÍø
I£®Ä³Í¬Ñ§Éè¼ÆÁËÓÃÈçͼËùʾµÄµç·²âÁ¿Á¿³ÌΪ1VµÄµçѹ±íµÄÄÚ×èRV£¨RVÔÚ800¦¸-900¦¸Ö®¼ä£©ÊµÑé²½ÖèºÍ·½·¨ÊÇ£º

¢Ù¶Ï¿ª¿ª¹ØS£¬°´ÓÒͼÁ¬½ÓºÃµç·¢Ú°Ñ»¬¶¯±ä×èÆ÷µÄ´¥Í·P»¬µ½a¶Ë¢Û½«µç×èÏäRµÄ×èÖµµ÷ΪÁã¢Ü±ÕºÏ¿ª¹ØS¢Ýµ÷½Ú»¬¶¯±ä×èÆ÷RµÄ×èÖµ£¬Ê¹µçѹ±íµÄʾÊýΪ1V¢Þµ÷½Úµç×èÏäRµÄ×èÖµ£¬Ê¹µçѹ±íµÄʾÊýΪ0.5V£¬´Ëʱµç×èÏäRµÄÖµ¼´Îªµçѹ±íµÄÄÚµç×èRVµÄ²âÁ¿Öµ¢ß×îºó¶Ï¿ª¿ª¹ØS£®
ʵÑéÊҿɹ©Ñ¡ÔñµÄʵÑéÆ÷²ÄÓУº
A£®´ý²âµçѹ±íB£®»¬¶¯±ä×èÆ÷£¬×î´ó×èÖµ1000¦¸
C£®»¬¶¯±ä×èÆ÷£¬×î´ó×èÖµ10¦¸D£®µç×èÏ䣺×î´ó×èÖµ999.9¦¸
E£®µç×èÏ䣺×î´ó×èÖµ99.9¦¸F£®µç³Ø×飺µç¶¯ÊÆÔ¼4V£¬ÄÚ×è¿ÉºöÂÔ
G£®µç³Ø×飺µç¶¯ÊÆÔ¼8V£¬ÄÚ×è¿ÉºöÂÔ
ÒÔ¼°µ¼ÏߺͿª¹ØµÈ£¬°´ÕÕÕâλͬѧÉè¼ÆµÄʵÑé·½·¨£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÈËʹÓñ¾·½·¨²âÁ¿µÃ½Ï¾«È·£¬¶øÇÒʹÓÃÒÇÆ÷¸öÊý×îÉÙ£¬³ýÁ˵¼Ïߣ¬¿ª¹ØºÍ´ý²âµçѹ±íÍ⣬»¹Ó¦´ÓÌṩµÄB¡¢C¡¢D¡¢E¡¢F¡¢GÆ÷²ÄÖÐÑ¡ÓÃ______£¨ÓÃÆ÷²ÄµÄÐòºÅ×Öĸ±íʾ£©
£¨2£©¶ÔÓÚÉÏÊö·½·¨²â³öµÄµçѹ±íÄÚ×èRVµÄ²âÁ¿ÖµR²âºÍÕæʵֵRÕæ¼°²âÁ¿Îó²î£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ______£®
A£®R²â£¾RÕæ
B£®R²â£¼RÕæ
C£®ÈôRVÔ½´ó£¬²âÁ¿ÖµR²âÏà¶ÔÓÚÕæʵֵRÕæµÄÎó²î¾ÍÔ½´ó
D£®ÈôRVÔ½´ó£¬²âÁ¿ÖµR²âÏà¶ÔÓÚÕæʵֵRÕæµÄÎó²î¾ÍԽС
II£®£¨10·Ö£©Ñ§¹ýµ¥°ÚµÄÖÜÆÚ¹«Ê½ÒÔºó£¬ÎïÀíÐËȤС×éµÄͬѧÃǶÔÖÖ°Ú²úÉúÁËÐËȤ£¬ÀÏʦ½¨ÒéËûÃÇÏÈÑо¿Óúñ¶ÈºÍÖÊÁ¿·Ö²¼¾ùÔȵķ½±¾¿é£¨ÈçÒ»°ÑÃ׳ߣ©×ö³ÉµÄ°Ú£¨ÕâÖÖ°Ú±»³ÆΪ¸´°Ú£©£¬ÈçͼËùʾ£®ÈÃÆäÔÚÊúֱƽÃæÄÚ×öС½Ç¶È°Ú¶¯£¬CµãΪÖØÐÄ£¬°å³¤ÎªL£¬ÖÜÆÚÓÃT±íʾ£®
¼×ͬѧ²ÂÏ룺¸´°ÚµÄÖÜÆÚÓ¦¸ÃÓë°åµÄÖÊÁ¿Óйأ®
ÒÒͬѧ²ÂÏ룺¸´°ÚµÄ°Ú³¤Ó¦¸ÃÊÇÐüµãµ½ÖØÐĵľàÀ룮
±ûͬѧ²Â£º¸´°ÚµÄ°Ú³¤Ó¦¸Ã´óÓÚ£®ÀíÓÉÊÇ£ºÈôOC¶Î¿´³ÉϸÏߣ¬Ïß˨ÔÚC´¦£¬CµãÒÔϲ¿·ÖµÄÖØÐÄÀëOµãµÄ¾àÀëÏÔÈ»´óÓÚ£®
ΪÁËÑо¿ÒÔÉϲÂÏëÊÇ·ñÕýÈ·£¬Í¬Ñ§ÃǽøÐÐÁËÏÂÃæµÄʵÑé̽Ë÷£º
£¨1£©°ÑÁ½¸öÏàͬµÄľ°åÍêÈ«ÖصþÔÚÒ»Æð£¬ÓÃ͸Ã÷½º£¨ÖÊÁ¿²»¼Æ£©Õ³ºÃ£¬²âÁ¿Æä°Ú¶¯ÖÜÆÚ£¬·¢ÏÖÓëµ¥¸öľ°å°Ú¶¯µÄÖÜÆÚÏàͬ£¬ÖØ×ö¶à´ÎÈÔÓÐÕâÑùµÄÌص㣮ÔòÖ¤Ã÷Á˼×ͬѧµÄ²ÂÏëÊÇ______µÄ£¨Ñ¡Ìî¡°ÕýÈ·¡±»ò¡°´íÎó¡±£©
£¨2£©ÓÃT±íʾ°å³¤ÎªLµÄ¸´°Ú¿´³É°Ú³¤Îª£®µ¥°ÚµÄÖÜÆÚ¼ÆËãÖµ£¨£©£¬ÓÃT±íʾ°å³¤ÎªL¸´°ÚµÄʵ¼ÊÖÜÆÚ²âÁ¿Öµ£®¼ÆËãÓë²âÁ¿µÄÊý¾ÝÈçÏÂ±í£º
°å³¤L/cm255080100120150
ÖÜÆÚ¼ÆËãÖµT/s0.701.001.271.411.551.73
ÖÜÆÚ²âÁ¿ÖµT/s0.811.161.471.641.802.01
ÓÉÉϱí¿ÉÖª£¬¸´°ÚµÄµÈЧ°Ú³¤______£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©£®

£¨3£©ÎªÁ˽øÒ»²½¶¨Á¿Ñо¿£¬Í¬Ñ§ÃÇÓÃÃèµã×÷ͼ·¨¶ÔÊý¾Ý½øÐд¦Àí£¬ËùÑ¡×ø±êÈçͼ£®ÇëÔÚ×ø±êÖ½ÉÏ×÷³öT-Tͼ£¬²¢¸ù¾ÝͼÏóÖз´Ó³³öµÄ¹æÂÉÇó³öLµÈ=______£®£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£¬ÆäÖÐLµÈÊǰ峤ΪLʱµÄµÈЧ°Ú³¤£©£®

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

¾«Ó¢¼Ò½ÌÍø