Standard test method for measurement of soil resistivity using the two - electrode soil box method 使用双电极土壤箱法测量泥土电阻率的标准试验方法
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The camera is linked with the computer . under the rail is the soil box where weed and wheat are planted . the vehicle is controlled by the electric - control - box 机车放置在一长6米宽1 . 5米高1米的平行轨道上，轨道下面是土壤箱，种植小麦和杂草，模拟田间环境。
