在20世纪60年代早期，研究人员试图将火箭尾部的电线发射到雷云中，以便于为这些雷云产生的巨大电荷建立一个简单的放电路径。

In the early 1960s, researchers tried firing rockets trailing wires into thunderclouds to set up an easy discharge path for the huge electric charges that these clouds generate.

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用实验方法研究了正、负离子背景对放电路径的影响。

The effects of the positive and negative ion background on the discharge path are studied.

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用实验方法研究了正、负离子背景对放电路径的影响。

The effects of the positive and negative ion background on the discharge path are studied.

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