与"velocity modulated electron beam"相近的词条

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• velocity limit
• velocity measuring device
• velocity memory
• velocity meter
• velocity microphone
• velocity modulated electron beam
• velocity modulated tube
• velocity-modulated valve
• velocity-modulating generator
• velocity modulation
• velocity modulation coefficient
• velocity modulation tube
• velocity motion detector
• velocity node
• Velocity of airflow
• velocity of approach

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