词汇	substitution back crossing
释义	substitution back crossing 替换回交
随便看	chrominance carrier modifier chrominance-carrier referemce chrominancecarrier reference chrominance carrier reference chrominance-carrier reference chrominance carrier reinsertion oscillat chrominance carrier signal chrominance channel chrominance channel bandwidth chrominance chroma modulation chrominance chrominance-subcarrier modulator chrominance circuit chrominance component chrominance component demodulator chrominance components chrominance control chrominance delay chrominance delay line chrominance demodulation chrominance demodulator chrominance detector chrominance difference chrominance distortion chrominance format chrominance frequency