secondary electron câu

Câu ví dụ

1. Images were detected using a secondary electron detector.
   khi sử dụng đầu thu Secondary Electron Detector.
2. Images were detected using a secondary electron detector.
   khi sử dụng đầu thu Secondary Electron Detector.
3. The images were taken using a secondary electron detector.
   khi sử dụng đầu thu Secondary Electron Detector.
4. The images were taken using a secondary electron detector.
   khi sử dụng đầu thu Secondary Electron Detector.