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Tesla CEO Elon Musk has announced plans to test fast braking of its Hyperloop high speed rail project. ÌØ˹À­¹«Ë¾Ê×ϯִÐйٰ£Â¡¡¤Âí˹¿Ë½üÈÕÐû²¼Á˽«¶Ô¹«Ë¾ÆìÏÂHyperloop³¬¼¶¸ßÌúÏîÄ¿µÄ¿ìËÙɲ³µÐÔÄܽøÐвâÊԵļƻ®¡£ Designers hope to be able to stop the carriages in just 1.2 km. This would mean going from speeds of 613 km per hour down to zero in just 14 seconds. Éè¼ÆʦϣÍûÄÜÈóµÁ¾ÔÚ1.2¹«ÀïÄÚɲ³µ£¬ÕâÒâζ×ÅÒªÔÚ14ÃëÄÚ½«Ê±ËÙ´Ó613ǧÃ×½µÖÁÁã¡£ A report in the Science and Technology Daily suggests that while it would be technically possible to stop the carriages in 14 seconds, the likelihood of it being used in commercial applications will still be a way off. ¾Ý¡¶¿Æ¼¼ÈÕ±¨¡·±¨µÀ£¬ËäÈ»´Ó¼¼Êõ²ãÃæÉÏ¿´14ÃëÄÚɲ³µÓпÉÄÜ×öµ½£¬µ«ÕâÒ»¼¼Êõ±»Ó¦ÓÃÓÚÉÌÒµÈÔÐè¼ÙÒÔʱÈÕ¡£

The Hyperloop, developed by Tesla through electromagnetic levitation technology, is based on a pneumatic tube concept. ÌØ˹À­»ùÓÚÆøѹÊäË͹ܵĸÅÄ²ÉÓõç´ÅÐü¸¡¼¼Êõ·¢Õ¹ÁËHyperloopÏîÄ¿¡£ A number of countries, including China, have been testing the idea, as it would technically overcome issues such as rail friction, air friction and noise. This allows for dramatically higher speeds. °üÀ¨ÖйúÔÚÄڵĶà¸ö¹ú¼ÒÒ»Ö±ÔÚ²âÊÔÕâ¸öÏë·¨£¬ÒòΪËüÄÜ´Ó¼¼Êõ²ãÃæ¿Ë·þÖîÈç¹ìµÀĦ²Á¡¢¿ÕÆø×èÁ¦¡¢ÔëÒôµÈÎÊÌ⣬´Ó¶øʵÏÖÃ÷ÏÔµÄÌáËÙ¡£ Reports have suggested Hyperloop technology could be ready for commercial use by 2021. ±¨µÀ»¹±íʾ£¬Hyperloop¼¼Êõ¿ÉÄÜÔÚ2021ÄêÇ°Íê³ÉÉÌÓÃ×¼±¸¡£ However, emergency braking is just one of the obstacles for the program. The Science and Technology Daily report suggests designers still haven't been able to find concrete solutions for other problems, including how to keep electromagnetic levitation stable at high speeds and how to conduct passenger tests. µ«ÊÇ£¬½ô¼±Öƶ¯Ö»ÊÇÕâ¸öÏîÄ¿µÄÕÏ°­Ö®Ò»¡£¡¶¿Æ¼¼ÈÕ±¨¡·µÄÕâÔò±¨µÀ³Æ£¬Éè¼ÆʦÃÇÈÔÈ»ÎÞ·¨ÕÒµ½½â¾öÆäËûÎÊÌâµÄ¾ßÌå·½°¸£¬°üÀ¨ÈçºÎÔÚ¸ßËÙµÄÇé¿öϱ£³Öµç´ÅÐü¸¡Îȶ¨£¬ÒÔ¼°ÈçºÎ½øÐг˿ͲâÊÔ¡£

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