ÌâÄ¿ÄÚÈÝ

»ùÒòDºÍdºÍT¡¢tÊÇλÓÚÁ½¶ÔͬԴȾɫÌåÉϵĵÈλ»ùÒò£¬ÔÚ²»Í¬Çé¿öÏ£¬ÏÂÁÐÐðÊö·ûºÏÒò¹û¹ØϵµÄÊÇ


  1. A.
    ½øÐжÀÁ¢ÒÅ´«µÄDDTTºÍddttÔÓ½»£¬ÔòF2Ë«ÏÔÐÔÐÔ×´ÖÐÄÜÎȶ¨ÒÅ´«µÄ¸öÌåÕ¼1/16
  2. B.
    ºó´úµÄ±íÏÖÐÍÊýÁ¿±ÈΪ1£º1£º1£º1£¬ÔòÁ½¸öÇ×±¾µÄ»ùÒòÐÍÒ»¶¨ÎªDdTtºÍddtt
  3. C.
    »ùÒòÐÍΪDDttµÄÌÒÊ÷Ö¦Ìõ¼Þ½Óµ½»ùÒòÐÍΪddTTµÄÖ²ÖêÉÏ£¬×Ô»¨´«·Ûºó£¬Ëù½á¹ûʵÖеÄÅߵĻùÒòÐÍΪDdTt
  4. D.
    »ùÒòÐÍΪDdTtµÄ¸öÌ壬¾­ÇïË®ÏÉËØÓÕµ¼µÃµ½µÄ¶à±¶Ìå,×Ô½»ºó´úÈÔÈ»»á·¢ÉúÐÎ×´·ÖÀë
D
½øÐжÀÁ¢ÒÅ´«µÄDDTTºÍddttÔÓ½»£¬ÔòF2Ë«ÏÔÐÔÐÔ×´ÖÐÄÜÎȶ¨ÒÅ´«µÄ¸öÌåÕ¼1/9£»ºó´úµÄ±íÏÖÐÍÊýÁ¿±ÈΪ1£º1£º1£º1£¬ÔòÁ½¸öÇ×±¾µÄ»ùÒòÐÍΪDdTtºÍddtt»òDdttºÍddTt£»»ùÒòÐÍΪDDttµÄÌÒÊ÷Ö¦Ìõ¼Þ½Óµ½»ùÒòÐÍΪddTTµÄÖ²ÖêÉÏ£¬×Ô»¨´«·Ûºó£¬Ëù½á¹ûʵÖеÄÅߵĻùÒòÐÍΪDDtt£» »ùÒòÐÍΪDdTtµÄ¸öÌ壬¾­ÇïË®ÏÉËØÓÕµ¼µÃµ½µÄ¶à±¶Ì壬»ùÒòÐÍÊÇDDddTTtt,×Ô½»ºó´úÈÔÈ»»á·¢ÉúÐÎ×´·ÖÀë¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø