long persistence उदाहरण वाक्य
उदाहरण वाक्य
- The 7JPx series of CRT's ( 7JP1, 7JP4 and 7JP7 ) was originally designed as an A-scope display CRT . Since the job of the A scope was to track an object, the phosphor used in the CRT has to have a long persistence ( the trace remained on the display longer ) from sweep to sweep.