earth medium meaning in Chinese

大地介质

Guide for measurements of electromagnetic properties of earth media
测量接地介质电磁性能用指南
Guide for measurements of electromagnetic properties of earth media
测量接地介质电磁特性的指南
The results of field data analysis indicate that the correlative dimension of time series of nature field is related to earth medium characteristics intently and qualitative reflect the characteristics of the distribution of electricity and construction of medium
实例分析表明，大地电磁场时间序列关联维数与地下介质特征密切相关，能定性地反映介质的电性分布与结构特征。