与"fixed frequency accelerator"相近的词条

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• fixed focus magnifier
• fixed-focus telephoto lens
• fixed footrest
• fixed format data file
• fixed frequency
• fixed frequency accelerator
• fixed frequency Bakasy tracing
• fixed frequency Békésy tracing curve
• fixed frequency cyclotron
• fixed-gain
• fixed hair
• fixed head disk
• fixed head drum storage
• fixed hearing aid
• fixed hedring aid
• fixed horizontal beam

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