selenium cells造句

例句与造句

1. paul nipkow obtains a patent in germany for tv, using a selenium cell and a mechanical scanning disk . first long distance call : boston to nyc
   保罗?尼普可夫获得德国电视发明专利。他在电视技术中采用硒光电管和机械扫描盘。第一次长途呼叫：从波士顿到纽约市。
2. It's difficult to find selenium cells in a sentence. 用selenium cells造句挺难的