“lead-in spiral (唱片)”的概念、定义、翻译、参考文献-科学参考

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单词	lead-in spiral (唱片)
释义	lead-in spiral (唱片) 引入纹槽
随便看	frequency-difference detector frequency difference resonance frequency discontinuity frequency discriminating circuit frequency discriminating optical chopper frequency-discrimination frequency discrimination frequency discrimination telegraph frequency dispersion frequency distortion frequency distribution frequency-distribution curve frequency distribution table frequency divider frequency divider stage frequency dividing circuit frequency dividing ratio frequency division frequency-division audiometer frequency-division modulation frequency division multiplex frequency division multiplex system frequency division multiplier frequency division of noise frequency division system