pal 60造句

例句与造句

1. A " PAL 60 " signal is similar to an NTSC ( 525 / 30 ) signal, but with the usual PAL chrominance subcarrier at 4.43 MHz ( instead of 3.58 as with NTSC and South American PAL variants ) and with the PAL-specific phase alternation of the red colour difference signal between the lines.
2. When operating in this mode most of them do not output a true ( 625 / 25 ) PAL signal, but rather a hybrid consisting of the original NTSC line standard ( 525 / 30 ), but with colour converted to PAL 4.43 MHz this is known as " PAL 60 " ( also " quasi-PAL " or " pseudo PAL " ) with " 60 " standing for 60 Hz ( for 525 / 30 ), instead of 50 Hz ( for 625 / 25 ).
3. It's difficult to find pal 60 in a sentence. 用pal 60造句挺难的