opticon

例句：

1. 1. The opticon was used to detect incoming enemy aircraft.
   这个光学仪器用来探测来袭的敌机。
2. 2.The scientist developed an opticon that could detect cancer cells in the body.
   这位科学家研发了一种光学仪器，可以在体内检测癌细胞。
3. 3.The opticon was a revolutionary tool for early medical research.
   这个光学仪器是早期医学研究的革命性工具。