antenna radiation impedance

• 天线辐射阻抗

antenna radiation impedance的用法和样例：

例句

1. Soil volumetric water content was measured by employing the metallic tube of the tensiometer as an antenna, whose radiating impedance varied as soil water content.
   将张力计中的一段金属保护套管作为天线，利用其辐射阻抗随着土壤含水率变化的规律来测量土壤容积含水率。