“土壤环境背景值”的概念、定义、翻译、参考文献-科学参考

单词	土壤环境背景值
释义	土壤环境背景值 Encyclopedia 农学土壤环境背景值释 background value of soil environment土壤环境背景值自然条件下的一定时间和空间范围内，未受到或少受到人类活动影响和外源物质干扰的土壤固有的化学组成、数量和结构的特征参数。不是一个固定值，而是范围值。
随便看	average degree of polymerization average density average departure average development speed average deviation average dispersion average distance average distortion average drift velocity of Brownian particle average driving mileage of tire average elevation plany average error average error 9 mean error average extra depth average extra width average function average functionality average grade of mine district average household size average house price index average income of migrant workers in rural areas average information average inventory average ionization energy loss average land rent

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