以下为句子列表：
英文: 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 earth itself the effective radiating element.
中文: 通过将天线建造在低导电性的地点，并且将馈线/天线的终端接地，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。
更详细...
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