flying spot scanning tube

例句：

1. 1. This flying spot scanning tube is used to detect the presence of insects in the field.
   这种飞行点扫描管用于田间检测昆虫的存在。
2. 2. The scientist developed a new type of flying spot scanning tube that can detect pollutantsat a much lower cost.
   这位科学家开发了一种新型的飞行点扫描管，可以在更低的成本下检测污染物。
3. 3.The flying spot scanning tube was used to map the distribution of water sources in the region.
   飞行点扫描管被用来绘制该地区水源的分布图。