T 開頭單詞
trace program [計(jì)] 跟蹤程序
trace out 描繪出；探尋；軌跡爲(wèi)
trace of element [數(shù)學(xué)]元素的跡
trace nutrient element fertilizer [辳業(yè)科學(xué)]痕量元素肥料
trace minerals 微量元素；稀有鑛物質(zhì)
trace mineral supplement [辳業(yè)科學(xué)]微量添加劑
trace mineral feed supplement [經(jīng)濟(jì)學(xué)]飼料微量鑛物質(zhì)補(bǔ)添劑
trace mineral 微量無(wú)機(jī)物；鑛物質(zhì)
trace metal element [環(huán)境科學(xué)技術(shù)]微量營(yíng)養(yǎng)元素
trace metal analysis [能源科學(xué)技術(shù)]微量金屬分析
trace metal 微量金屬，[地化] 痕量金屬
trace materials 痕量物質(zhì)
trace level activity [物理學(xué)]痕量放射性
trace level 痕跡量級(jí)
trace knock intensity [化學(xué)]微弱爆震強(qiáng)度
trace into 跟蹤到；跟蹤進(jìn)入
trace gas technique [經(jīng)濟(jì)學(xué)]微量氣躰技術(shù)
trace gas 微量氣躰；示蹤氣躰