与"picture taking lens"相近的词条

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• picture-sound carrier
• picture synchronization
• picture synchronizing impulses
• picture synchronizing signal
• picture synthesis
• picture taking lens
• picture-to-sound ratio
• picture-to-synchronizing ratio
• picture tone
• picture transmission period
• picture transmitter
• picture transmitter device
• picture traverse
• picture tube
• picture video detector
• picture vocabulary test

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