File:Overview of PCT system EN.png
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![File:Overview of PCT system EN.png](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Overview_of_PCT_system_EN.png/800px-Overview_of_PCT_system_EN.png?20230315031334)
Size of this preview: 800 × 486 pixels. Other resolutions: 320 × 194 pixels | 640 × 389 pixels | 1,024 × 622 pixels | 1,471 × 894 pixels.
Original file (1,471 × 894 pixels, file size: 517 KB, MIME type: image/png)