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详细介绍了宝中电气化铁路通车前后，平凉地电台自然电场及地电阻率的实测试验。结果表明，电气化机车通过平凉地电台测区时，产生强烈的交流干扰，致使自然电场和地电阻率观测无法正常进行。
The actual test of natural electric field and earth resistivity of Pingliang ground station before and after Baozhong Electrified Railway opened to traffic was introduced in detail. The results show that the electrified locomotive passes the Pingliang ground station and produces strong AC interference, which makes the observation of natural electric field and earth resistivity impossible.