±¾´ÎΪËÄ´¨Î¬Ë¼´ïÒ½ÁÆÆ÷еÓÐÏÞ¹«Ë¾Éè¼ÆºÍ×°ÐÞÕ¹Ìü£¬Õ¹ÌüÄÚÈÝ°üÀ¨BC´û¼ò½é¡¢Éú³¤Àú³Ì¡¢Áìµ¼¾ì×¢¡¢×¨¼ÒÍŶӡ¢²úÆ·Õ¹³Â¡¢¹«Ë¾×¨Àû¡¢²úƷͶӰչʾǽ¡¢ÈÙÓþ×ÊÖÊ¡¢ÏúÊÛÍøÂçµØͼ¡¢LEDÊÓƵ²¥·Å¡¢ÐÎÏóǽ¡¢Éú³¤¼Æ»®¡¢Î´À´Ô¸¾°¡¢Í¶Ó°²¥·Å¡¢µ³½¨Ðû´«¡¢ÆóÒµÎÄ»¯Ô±¹¤·ç·¶Õ¹Ê¾µÈÄÚÈÝ¡£¸ÃÏîĿλÓÚËÄ´¨Ê¡ãòÖÝÊÐãòÏØ£¬ÓÉËÄ´¨BC´û½øÐÐÕûÌåµÄÕ¹¹Ý²ß»®¡¢Ð§¹ûͼÉè¼Æ¡¢Ê©¹¤Í¼Éè¼Æ¡¢×°ÐÞÊ©¹¤Íê³É¡£