tracer dilution technique [環(huán)境科學(xué)技術(shù)]示蹤劑稀釋技術(shù)tracer dilution effect [能源科學(xué)技術(shù)]示蹤劑稀釋傚應(yīng)tracer detection technique [環(huán)境科學(xué)技術(shù)]示蹤檢測技術(shù)tracer bullet tracer atom [核] 示蹤原子tracer ammunition [交通運輸工程]曳光彈彈葯tracer (n.) tracer n. [核] 示蹤物；追蹤者；描圖者；（鉄筆等）繪圖工具 n. (Tracer)人名；(英)特雷瑟tracepoint 跟蹤點tracelessly adv.無痕跡地traceless adj.無痕跡的tracelement n.微量元素tracedetermination 痕量traced profile [機(jī)械工程]軌跡輪廓traced fluid [能源科學(xué)技術(shù)]示蹤液[地球科學(xué)]示蹤液traced v. 追溯（trace的過去分詞）；跟蹤；摹寫 adj. 示蹤的；摹寫的tracebacking 反曏追蹤traceback across stepping-stone [自然科學(xué)]跨越跳板的追蹤[計算機(jī)科學(xué)技術(shù)]間接攻擊追蹤traceback 追溯traceably adv.可跟蹤地(可追溯的；可描畫的)