“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	electronic tacheometer，electronic stadia instrument electronic take-up mechanism electronic target deinterleave and recognition electronic tensile testing machine Electronic text electronic theodolite electronic thermal conductivity electronic thermometer electronic theses and dissertations system electronic throttle value electronic toll collection Electronic Toll Collection, ETC electronic toll collection settlement center electronic toll collection system electronic toll collection system, ETCS electronic tongue electronic torsion testing machine electronic training electronic transaction electronic transition electronic tube parameter measurement electronic universal testing machines electronic video recorder electronic view finder electronic viewfinder digital camera

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