The limitations of this scheme became quite apparent with the introduction of detectors such as the plumbicon, image orthicon and vidicon. 这个方法的局限性在引进诸如氧化铅光导管摄像管，超正析象和光导摄像管之类的探测器之后变得很明显。
medical X-ray plumbicon camera tube 医用X射线氧化铅摄像管
The limitations of this scheme became quite apparent with the introduction of detectors such as the plumbicon, image orthicon and vidicon 这个方法的局限性在引进诸如氧化铅光导管摄像管，超正析象和光导摄像管之类的探测器之后变得很明显。
3. The limitations of this scheme became quite apparent with the introduction of detectors such as the plumbicon, image orthicon and vidicon. 这个方法的局限性在引进诸如氧化铅光导管摄像管，超正析象和光导摄像管之类的探测器之后变得很明显。
