词汇	early decline
释义	early decline 初降
随便看	phase-alternation line system pal Phase Alternation Line system, PAL system phase ambiguity phase-ambiguity phase ambiguity resolution phase amplitude balanced amplifier phase amplitude characteristics phase-amplitude characteristics phase-amplitude converter phase amplitude discriminator phase-amplitude discriminator phaseamplitude distortion phase amplitude distortion phase-amplitude indicator Phase Amplitude-matched phase amplitude method phase-amplitude method phase amplitude modulation phase-amplitude receiver phase-angle synchronizing phase angle tables phase angle transducer phase-angle voltmeter phase analysis Phase analysis