英语词汇“punching rate”的读音、翻译、释义、用法及例句-语文网

词汇	punching rate
释义	punching rate 打孔率单位时间内在卡片或纸带上以孔的形式所记录的资讯字数、字段数、字块数、字符数或卡片数。
随便看	lase lasecon laser laser Laser Annealing laser beam printer laser beam recorder laser communication laser computer-output microfilm laser diode laser disc laser disk laser emulsion storage laser fiber-optic transmission system laser-holography storage laser line follower laser memory laser noise laser optical videodisc laser platemaker laser plotter laser printer laser printer laser scalpel laser scanner

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