“土壤元素背景值”的概念、定义、翻译、参考文献-科学参考

单词	土壤元素背景值
释义	土壤元素背景值 Encyclopedia 工学土壤元素背景值释 background value of elements in soil土壤元素背景值土壤未受污染时化学元素的自然含量。 Chemistry ＞环境化学＞土壤环境化学＞释义 background value of soil elements土壤元素背景值
随便看	half-trace half-trajectory half-turn half-value discharge time half-value discharging time half value layer half-value layer half-value layer (HVL) half-wave antenna half-wave dipole half-wave filter half wave loss half-wave loss half-wave oscillator half wave plate half-wave plate half wave potential half-wave potential half-wave rectifier half-wave reflection half wave voltage half-wave voltage halfway house half webbed half width

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