superimposed anomaly

例句：

1. 1. The data was superimposed on the map to show the distribution of the population.
   数据被叠加在地图上，以显示人口分布。
2. 2. The scientist discovered a superimposed anomaly in the data that had not been detected before.
   科学家在数据中发现了一个叠加异常，此前未被发现。
3. 3. The team used advanced software to superimpose anomalies from multiple sources onto a single image.
   团队使用高级软件将多个来源的异常叠加到一张图像上。