½Ü¸¥Àï R. Íß´Ä Jeffrey R. Watts 1970Äê³öÉúÔÚÃÀ¹ú¼ÓÀû¸£ÀûÑÇÄϲ¿µÄÊ¥µü¸ê¡£ÃÎÏë³ÉΪһÃû³öÉ«µÄÖ°Òµ×ÔÐгµÔ˶¯Ô±¡£ÓÉÓÚÒâÍâÊÜÊÜÉËÖжÏÁËËûµÄÖ°ÒµÉúÑÄ¡£Jeffrey Õâ²Å»ØÍ·Ò»ÐÄÒ»ÒâרעÓÚ»æ»ÒÕÊõ£¬¸öÈ˵ÄÉóÃÀÆ«°®ÈÃJeffrey Ôڻ滵ÄȤζÉÏ×·Çó¶í¹úµÄ19ÊÀ¼ÍÒÕÊõ¡[²é¿´±¾Â¥]