ijͬѧÔÚʵÑéÊÒÓÃÈçͼ¼×ËùʾµÄ×°ÖÃÀ´Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹ØϵºÍÓйع¦ºÍÄܵÄÎÊÌâ¡£
СÌâ1:ÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±µÄʵÑéÖУ¬ÔÚ           Ìõ¼þÏ£¬¿ÉÒÔÈÏΪÉþ¶ÔС³µµÄÀ­Á¦½üËƵÈÓÚɳºÍɳͰµÄ×ÜÖØÁ¦£¬ÔÚ¿ØÖÆ           ²»±äµÄÇé¿öÏ£¬¿ÉÒÔ̽¾¿¼ÓËÙ¶ÈÓëºÏÁ¦µÄ¹Øϵ¡£

СÌâ2:ÔÚ´ËʵÑéÖУ¬´ËͬѧÏȽÓͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬ÔÙ·Å¿ªÖ½´ø£¬ÈçͼÒÒÊÇÔÚÇé¿öÏ´ò³öµÄÒ»ÌõÖ½´ø£¬OΪÆðµã£¬A¡¢B¡¢CΪ¹ý³ÌÖеÄÈý¸öÏàÁڵļÆÊýµã£¬ÏàÁڵļÆÊýµãÖ®¼äÓÐËĸöµãûÓбê³ö£¬ÓйØÊý¾ÝÈçͼËùʾ£¬ÆäÖУ¬ÔòС³µµÄ¼ÓËÙ¶ÈΪa=____m/s2£¬´òBµãʱС³µµÄËÙ¶ÈΪVB=      m/s¡££¨±£Áô2λÓÐЧÊý×Ö£©
СÌâ3:ÓÃÈçͼËùʾµÄ×°Öã¬ÒªÌ½¾¿ºãÁ¦×ö¹¦Ó붯ÄܸıäµÄ¹Øϵ£¬ÊµÑéÊý¾ÝÓ¦Âú×ãÒ»¸öÔõÑùµÄ¹Øϵʽ________£¬´Ó¶øµÃµ½¶¯Äܶ¨Àí¡££¨Ó÷ûºÅ±íʾ£¬²»ÒªÇó¼ÆËã½á¹û£© ¡¯

СÌâ1:
СÌâ2:
СÌâ3:
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ijͬѧ×ö¡¶¹²µãµÄÁ½¸öÁ¦µÄºÏ³É¡·ÊµÑé×÷³öÈçͼËùʾµÄͼ£¬ÆäÖÐΪ¹Ì¶¨ÏðƤÌõµÄ¹Ì¶¨µã£¬ÎªÏðƤÌõÓëϸÉþµÄ½áºÏµã£¬Í¼ÖÐ___________ÊÇ¡¢ºÏÁ¦µÄÀíÂÛÖµ£¬       ÊǺÏÁ¦µÄʵÑéÖµ£¬ÐèÒª½øÐбȽϵÄÊÇÓëµÄ       ºÍ       £¬Í¨¹ý±¾ÊµÑ飬¿ÉÒԵóö½áÂÛ£º                                                                                                ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ijÈËÓÿ̶ȳßÈ¥²âÁ¿Ò»¸öÎïÌåµÄ³¤¶È£¬¹²²âÁ¿4´Î£¬²âµÃÊý¾Ý·Ö±ðΪ1.42cm¡¢1.43cm¡¢1.42cm¡¢1.44cm£¬ÎïÌ峤¶ÈµÄ²âÁ¿½á¹ûӦΪ                              (¡¡¡¡)
A£®1.427 5cm¡¡¡¡¡¡¡¡¡¡B£®1.427cm
C£®1.43cmD£®1.4cm

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±µÄʵÑéÖУ¬µ±Ð¡³µÖÊÁ¿Ò»¶¨Ê±£¬¸ù¾ÝʵÑéÊý¾Ý»­³ö¼ÓËÙ¶ÈaÓë×÷ÓÃÁ¦FµÄͼÏßÈçͼËùʾ¡£

СÌâ1:ͼÏßδ¹ý×ø±êÔ­µã£¬Ô­ÒòÊÇ£º_______________________________
СÌâ2:ͼÏß³öÏÖÍäÇú£¬Ô­ÒòÊÇ£º________________________________  

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéʱ£¬Ä³Í¬Ñ§µÃµ½Ò»ÌõÓôòµã¼ÆʱÆ÷´ò³öµÄÖ½´ø¡£²¢ÔÚÆäÉÏÈ¡ÁËO¡¢A¡¢B¡¢C¡¢D¡¢E¡¢F 7¸ö¼ÆÊýµã£¨Ã¿ÏàÁÚÁ½¸ö¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµã¼ÆʱÆ÷´òϵĵ㡣±¾Í¼ÖÐûÓл­³ö£©´òµã¼ÆʱÆ÷ÓõÄÊÇ220V¡¢50HzµÄ½»Á÷µçÔ´¡£

СÌâ1:ʵÑéʱ£¬ÔÚÕýÈ·°²×°ºÃ×°Öú󣬰ÑС³µ·Åµ½¿¿½ü´òµã¼ÆʱÆ÷µÄλÖã¬ÔÙÏÈ                    ºó             £¬Ê¹Ð¡³µÔ˶¯£¬¶øºóµÃµ½·´Ó³Ð¡³µÔ˶¯µÄÖ½´ø¡£
СÌâ2:ÀûÓÃÖ½´øµÄÊý¾Ý¿É¼ÆËãµÃ³ö¸ÃÎïÌåµÄ¼ÓËÙ¶ÈaΪ       m/s2£»£¨¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©
СÌâ3:Èç¹ûµ±Ê±µçÍøÖн»±äµçÁ÷µÄƵÂÊÊÇf£½49Hz£¬¶ø×öʵÑéµÄͬѧ²¢²»ÖªµÀ£¬ÓÉ´ËÒýÆðµÄϵͳÎó²î½«Ê¹¼ÓËٶȵIJâÁ¿Öµ±Èʵ¼Êֵƫ      ¡££¨Ìî¡°´ó¡±»ò¡°Ð¡¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

¹ØÓÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑ飬Çë»Ø´ðÏÂÁÐÏà¹ØÎÊÌ⣺
СÌâ1:ËùÓõIJâÁ¿Æ÷²Ä³ýÈý½Ç°åºÍ¿Ì¶È³ßÍ⣬»¹±ØÐëÓР               £»
СÌâ2:ʵÑéÖУ¬ÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚľ°åÉÏ,ÓÃÁ½¸öµ¯»É²âÁ¦¼Æ°ÑÏðƤÌõµÄÁíÒ»¶ËÀ­µ½Ä³Ò»µãO£¬ÔòÏÂÁÐ×ö·¨ºÍ·ÖÎöÕýÈ·µÄÓР            ¡££¨ÌîÑ¡ÏîÇ°µÄ´úºÅ£©
A£®Á½¸öµ¯»É²âÁ¦¼ÆÖ®¼äµÄ¼Ð½ÇӦȡ90¡ã
B£®ÏðƤÌõ¡¢Ï¸ÉþºÍµ¯»É²âÁ¦¼ÆÓ¦Óëľ°å±£³ÖƽÐÐ
C£®µ±»»ÓÃÒ»¸öµ¯»É²âÁ¦¼ÆÀ­ÏðƤÌõʱ£¬±ØÐ뽫ÏðƤÌõµÄÁíÒ»¶ËÀ­µ½ÏàͬµÄλÖÃO
D£®µ±»»ÓÃÒ»¸öµ¯»É²âÁ¦¼ÆÀ­ÏðƤÌõʱ£¬±ØÐëÏòÒÔÁ½¸ö·ÖÁ¦ÎªÁÚ±ß×÷µÄƽÐÐËıßÐεĶԽÇÏß·½ÏòÀ­

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ÔÚ¡°Ì½¾¿Ð¡³µËÙ¶ÈËæʱ¼ä±ä»¯µÄ¹æÂÉ¡±ÊµÑéÖУ¬½«ÏÂÁв½ÖèµÄ´úºÅ°´ºÏÀí˳ÐòÌîдÔÚºáÏßÉÏ£º_____________
A£®À­×¡Ö½´ø,½«Ð¡³µÒÆÖÁ¿¿½ü´òµã¼ÆʱÆ÷´¦,ÏȽÓͨµçÔ´,ºó·Å¿ªÖ½´ø
B£®½«´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚƽ°åÉÏ,²¢½ÓºÃµç·
C£®°ÑÒ»ÌõϸÉþË©ÔÚС³µÉÏ,ϸÉþ¿ç¹ý¶¨»¬ÂÖ,ÏÂÃæµõ×ÅÖØÁ¿Êʵ±µÄ¹³Âë
D£®¶Ï¿ªµçÔ´,È¡ÏÂÖ½´ø
E.½«Ö½´ø¹Ì¶¨ÔÚС³µÎ²²¿,²¢´©¹ý´òµã¼ÆʱÆ÷µÄÏÞλ¿×
F.»»ÉÏеÄÖ½´ø,ÔÙÖظ´×öÈý´Î

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ÔÚÑé֤ţ¶ÙµÚ¶þ¶¨ÂɵÄʵÑéÖУ¬°´ÊµÑéÒªÇó×°ÖúÃÆ÷²Äºó£¬Ó¦°´Ò»¶¨²½Öè½øÐУ¬ÏÂÊö²Ù×÷²½Öè°²ÅŲ»¾¡ºÏÀí£¬ÇëÑ¡Ôñ³öºÏÀíµÄʵÑé˳Ðò¡£
£¨A£©±£³ÖÉ°Í°ÀïµÄÉ°×ÓÖÊÁ¿²»±ä£¬ÔÚС³µÀï¼ÓíÀÂ룬²â³ö¼ÓËٶȣ¬Öظ´¼¸´Î£»
£¨B£©±£³ÖС³µÖÊÁ¿²»±ä£¬¸Ä±äÉ°Í°ÀïÉ°×ÓÖÊÁ¿£¬²â³ö¼ÓËٶȣ¬Öظ´¼¸´Î£»
£¨C£©ÓÃÌìƽ·Ö±ð²â³öС³µºÍСͰµÄÖÊÁ¿£»
£¨D£©Æ½ºâĦ²ÁÁ¦£¬Ê¹Ð¡³µ½üËÆ×öÔÈËÙÖ±ÏßÔ˶¯£»
£¨E£©¹ÒÉÏСͰ£¬·Å½øÉ°×Ó£¬½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬·Å¿ªÐ¡³µ£¬ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣻
£¨F£©¸ù¾Ý²âÁ¿Êý¾Ý£¬·Ö±ð»­³öµÄͼÏß¡£
A.  B¡¢D¡¢C¡¢E¡¢A¡¢F       B. D¡¢C¡¢E¡¢B¡¢A¡¢F
C.  C¡¢E¡¢A¡¢B¡¢F¡¢D     D.  A¡¢B¡¢C¡¢D¡¢E¡¢F
 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ijͬѧʹÓÃÓα꿨³ß²âÑùÆ·µÄÖ±¾¶Ä³´Î²âÁ¿µÄ½á¹ûÈçͼËùʾ£¬Ôò¸ÃÑùÆ·µÄÖ±¾¶Îª_________mm¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸