“background value of soil environment”的概念、定义、翻译、参考文献-科学参考

单词	background value of soil environment
释义	background value of soil environment 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	seclusion SECM seco secohm secohmmeter second second adjoint operator second adjoint space secondary secondary aberration secondary active transport of nutrients in plants secondary aerosol secondary air fan secondary air of grate stove secondary allocation method secondary aluminium secondary anemia secondary articulation secondary attack rate，SAR secondary axis secondary battery secondary bifurcation secondary blockage secondary bond secondary breakdown

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