ground conductivity [电] 一地面导电系数
- By building the antenna at a location with a poor effective conductivity of the ground, and by grounding the ends of the feedline/ antenna, the signal is forced deep down into the earth, making the
通过将天线建造在低导电性的地点,并且将馈线/线的终端接地,信号被迫深入地球,使得地球本身成为一个有效的辐射单元。 - Its main steps are as follows:(1) to determine the tensor of hydraulic conductivity of the rock mass near the ground;(2) to back-analyzing of stress field;(3) to predict the fissure aperture at dif
其主要思想是,首先确定近地表岩体的渗透张量;根据地应力实测资料进行地应力场的量级反演;选择适当的裂隙开度-应力模型,预测不同深度的裂隙开度;在裂隙网络结构不随深度变化这一假定的基础上,计算隧道标高的围岩渗透性。
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