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短语

trace element

农业 microelemento m; micronutrientes f
冶金 elementos traza
化学 elemento vestigial; micronutriente f
卫生保健, 食品工业, 化学 elemento traza
环境 oligoelementos m; trazador m
经济 oligoelemento m
食品工业 microelementos m
trace elements ['treɪs'elɪmənts]
农业 oligoelementos 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 oligoelementos m
trace element
: 3 短语, 1 学科
环境3