collector beam lead

例句：

1. 1.The collector beam is used to collect electrons from the surface of a semiconductor.
   收集器光束用于从半导体的表面收集电子。
2. 2.The lead beam was used to irradiate the sample for analysis.
   铅束被用来照射样品进行分析。
3. 3. The collector beam was focused onto the target material to enhance the signal-to-noise ratio.
   收集器光束被聚焦到靶材上以提高信噪比。