television detection

例句：

1. 1. The new television detector can detect the presence of hidden cameras.
   这款新型电视探测器能够探测到隐藏的摄像头。
2. 2. The detective used his expertise to detect the criminal's trail.
   侦探利用他的专业知识来追踪罪犯的踪迹。
3. 3. The scientist detected a chemical signature in the air sample.
   科学家在空气样本中检测到了化学标记。