常見例句A nontracking third camera is placed in centerfield and is only used for setting the height of the strike zone. 第三臺不用來追蹤軌跡的攝影機(jī)架設(shè)在中外野，唯一的目的是設(shè)定好球帶的高度。nontracking precision clock 非跟蹤式精確時(shí)鍾 返回 nontracking