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短语

trace element

农业 elemento micronutritivo; micronutriente
冶金 elemento di tempra
化学 microelemento m
卫生保健, 食品工业, 化学 elemento oligodinamico
环境 elemento in tracce
经济 oligoelemento m
食品工业 elemento traccia; minerale in traccia
trace elements ['treɪs'elɪmənts]
农业 oligoelementi m
化学 microelementi m
trace element Any of various chemical elements that occur in very small amounts in organisms and are essential for many physiological and biochemical processes
环境 elemento in tracce
trace element
: 3 短语, 3 学科
医疗的1
地球科学1
生命科学1