短語詞組短語tracing paper 描圖紙tracing pipe 伴熱琯;伴熱琯線tracing machine [計(jì)]描圖機(jī);電子軌跡描繪器;跟蹤機(jī)tracing atom 示蹤原子tracing routine [計(jì)]跟蹤程序;追蹤例程;追蹤程序tracing distortion 跟蹤畸變;[聲]描紋畸變;包線失真process tracing 過程追蹤;程追蹤法;過程追溯signal tracing 用信號(hào)尋找線路故障;信號(hào)尋跡;信號(hào)追蹤;[電子][通信]信號(hào)跟蹤Foot tracing 馬蹄足;足印ray tracing 光線追跡,射線跟蹤 返回 tracing