这些射线生成管也叫克鲁克斯管，通过在管道周围的裂缝处施加高达十万伏电压的方式，可以在其内部产生自由电子。
The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a (DC) voltage of up to 100 kilovolts across a gap.
这些射线生成管也叫克鲁克斯管，通过在管道周围的裂缝处施加高达十万伏电压的方式，可以在其内部产生自由电子。
The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a (DC) voltage of up to 100 kilovolts across a gap.
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