“perforator”的概念、定义、翻译、参考文献-科学参考

单词	perforator
释义	perforator [`pǝr·fǝ´rād·ǝr] ^{COMMUNICATIONS} In telegraph practice, a device for punching code signals in paper tape for application to a tape transmitter.
随便看	single-piece milling single-point grounding single-point tool single-polarity pulse single-polarity pulse-amplitude modulation single-pole double-throw single-pole single-throw single-precision number single-program, multiple-data single reference single refraction single-replacement reaction single sampling single scattering singlesheet feed single shot single-shot blocking oscillator single-shot camera single-shot exploder single-shot multivibrator single-shot operation single-shot probability single-shot survey single-shot trigger circuit single-sideband

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