单词	丑样子
释义	丑样子 chǒuyàngzigrisly appearance
随便看	phase-alternation line systempal 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