ÎïÀíʵÑéÊÒÖг£Óôòµã¼ÆʱÆ÷¼Ç¼ʱ¼ä£¬Ä³´òµã¼ÆʱÆ÷µÄÕñÕëÿ1ÃëÖÓÄÚÉÏÏÂÕñ¶¯¹²50´Î£®Èçͼ£¨a£©¡¢£¨b£©Ëùʾ£¬ÎªÓøôòµã¼ÆʱÆ÷·Ö±ð²âÁ¿¼×¡¢ÒÒÁ½¸öÎïÌåÔ˶¯Ê±Ëù´ò³öµÄÁ½ÌõÖ½´ø£¬Ôò£º
£¨1£©´òµã¼ÆʱÆ÷µÄÕñÕëÿ´òÏÂÁ½¸öµãÖ®¼äµÄʱ¼ä¼ä¸ôÊÇ
0.02
0.02
Ã룮
£¨2£©¼×ÎïÌå´Óa-fËùÓõÄʱ¼ä
µÈÓÚ
µÈÓÚ
ÒÒÎïÌå´ÓA-FËùÓõÄʱ¼ä£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©£®
£¨3£©±È½Ï£¨a£©¡¢£¨b£©Á½Ö½´øµÄ´òµãÇé¿ö£¬¿ÉÅжÏ
ÒÒ
ÒÒ
ÎïÌåµÄÔ˶¯¿ìÂýʼÖÕ±£³Ö²»±ä£®
·ÖÎö£º½â´ð´ËÌâÒªÁ˽â´òµã¼ÆʱÆ÷µÄ¹¤×÷Ô­Àí£¬¸ù¾Ý´òµã¼ÆʱÆ÷µÄÕñÕëÿ1ÃëÖÓÄÚÉÏÏÂÕñ¶¯¹²50´Î£¬¾Í¿ÉËã³öÿ´òÏÂÁ½¸öµãÖ®¼äµÄʱ¼ä¼ä¸ô£¬´òµã¼ÆʱÆ÷´Óa-fµÄ¼ä¸ôµÈÓÚ´ÓA-FµÄ¼ä¸ô£¬´ÓͼÖпÉÒÔ¿´³ö¼×¡¢ÒÒ´ò³öµÄÖ½´øµÄ¼ä¸ô¾àÀëµÄ²»µÈ¾ÍÖªµÀËüÃÇËٶȵĿìÂý£®
½â´ð£º½â£º£¨1£©´òµã¼ÆʱÆ÷µÄÕñÕëÿ1ÃëÖÓÄÚÉÏÏÂÕñ¶¯¹²50´Î£¬
ÄÇô´òµã¼ÆʱÆ÷µÄÕñÕëÿ´òÏÂÁ½¸öµãÖ®¼äµÄʱ¼ä¼ä¸ôΪ
1s
50
=0.02s£¬
£¨2£©´òµã¼ÆʱÆ÷´Óa-fµÄ¼ä¸ôµÈÓÚ´ÓA-FµÄ¼ä¸ô£¬¹ÊËùÓõÄʱ¼äÏàµÈ£¬
£¨3£©´Ó¼×¡¢ÒÒÁ½¸öÎïÌåÔ˶¯Ê±Ëù´ò³öµÄÁ½ÌõÖ½´øµÄ¼ä¸ô¾àÀ룬¾ùÔÈÏàµÈ¾Í¿ÉÒÔ¿´³öÒÒÎïÌåÔ˶¯¿ìÂýʼÖÕ±£³Ö²»±ä£¬¼×ÎïÌå¼ä¸ô²»¾ùÔÈËùÒÔËٶȿìÂý²»¾ùÔÈ£¬
¹Ê´ð°¸Îª£º0.02£»ÏàµÈ£»ÒÒ£®
µãÆÀ£º±¾Ì⿼²éÁË´òµã¼ÆʱÆ÷µÄÔ­Àí£¬ÊôÓÚ»ù´¡¿¼Ì⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÎïÀíʵÑéÊÒÖг£Óôòµã¼ÆʱÆ÷¼Ç¼ʱ¼ä£¬Ä³´òµã¼ÆʱÆ÷µÄÕñÕëÿ1ÃëÖÓÄÚÉÏÏÂÕñ¶¯¹²50´Î£®Èçͼ£¨a£©¡¢£¨b£©Ëùʾ£¬ÎªÓøôòµã¼ÆʱÆ÷·Ö±ð²âÁ¿¼×¡¢ÒÒÁ½¸öÎïÌåÔ˶¯Ê±Ëù´ò³öµÄÁ½ÌõÖ½´ø£¬Ôò£º
£¨1£©´òµã¼ÆʱÆ÷µÄÕñÕëÿ´òÏÂÁ½¸öµãÖ®¼äµÄʱ¼ä¼ä¸ôÊÇ ______Ã룮
£¨2£©¼×ÎïÌå´Óa-fËùÓõÄʱ¼ä ______ÒÒÎïÌå´ÓA-FËùÓõÄʱ¼ä£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©£®
£¨3£©±È½Ï£¨a£©¡¢£¨b£©Á½Ö½´øµÄ´òµãÇé¿ö£¬¿ÉÅÐ¶Ï ______ÎïÌåµÄÔ˶¯¿ìÂýʼÖÕ±£³Ö²»±ä£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2009-20010ѧÄêÉϺ£ÊÐÄÏ»ãÇø°ËÄ꼶£¨ÉÏ£©ÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ÎïÀíʵÑéÊÒÖг£Óôòµã¼ÆʱÆ÷¼Ç¼ʱ¼ä£¬Ä³´òµã¼ÆʱÆ÷µÄÕñÕëÿ1ÃëÖÓÄÚÉÏÏÂÕñ¶¯¹²50´Î£®Èçͼ£¨a£©¡¢£¨b£©Ëùʾ£¬ÎªÓøôòµã¼ÆʱÆ÷·Ö±ð²âÁ¿¼×¡¢ÒÒÁ½¸öÎïÌåÔ˶¯Ê±Ëù´ò³öµÄÁ½ÌõÖ½´ø£¬Ôò£º
£¨1£©´òµã¼ÆʱÆ÷µÄÕñÕëÿ´òÏÂÁ½¸öµãÖ®¼äµÄʱ¼ä¼ä¸ôÊÇ ______Ã룮
£¨2£©¼×ÎïÌå´Óa-fËùÓõÄʱ¼ä ______ÒÒÎïÌå´ÓA-FËùÓõÄʱ¼ä£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©£®
£¨3£©±È½Ï£¨a£©¡¢£¨b£©Á½Ö½´øµÄ´òµãÇé¿ö£¬¿ÉÅÐ¶Ï ______ÎïÌåµÄÔ˶¯¿ìÂýʼÖÕ±£³Ö²»±ä£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2008-2009ѧÄêÉϺ£ÊÐÆÖ¶«ÐÂÇø¸´µ©¸½ÖпµÇÅѧУ°ËÄ꼶£¨ÉÏ£©ÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ÎïÀíʵÑéÊÒÖг£Óôòµã¼ÆʱÆ÷¼Ç¼ʱ¼ä£¬Ä³´òµã¼ÆʱÆ÷µÄÕñÕëÿ1ÃëÖÓÄÚÉÏÏÂÕñ¶¯¹²50´Î£®Èçͼ£¨a£©¡¢£¨b£©Ëùʾ£¬ÎªÓøôòµã¼ÆʱÆ÷·Ö±ð²âÁ¿¼×¡¢ÒÒÁ½¸öÎïÌåÔ˶¯Ê±Ëù´ò³öµÄÁ½ÌõÖ½´ø£¬Ôò£º
£¨1£©´òµã¼ÆʱÆ÷µÄÕñÕëÿ´òÏÂÁ½¸öµãÖ®¼äµÄʱ¼ä¼ä¸ôÊÇ ______Ã룮
£¨2£©¼×ÎïÌå´Óa-fËùÓõÄʱ¼ä ______ÒÒÎïÌå´ÓA-FËùÓõÄʱ¼ä£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©£®
£¨3£©±È½Ï£¨a£©¡¢£¨b£©Á½Ö½´øµÄ´òµãÇé¿ö£¬¿ÉÅÐ¶Ï ______ÎïÌåµÄÔ˶¯¿ìÂýʼÖÕ±£³Ö²»±ä£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸