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词汇
PCM
释义
PCM
1. 脉码调变;脉冲编码调变(=pulse code modulation)
在资料通信中,用数学信号的变化来表示资讯。例如,透过诸如PAM(脉冲幅度调变)、PDM(脉宽调变)和脉冲相位调变等。
2.
卡片打孔机,打卡机(=punched card machine)
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bear fruit
bear hug
bear hug
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bearing
bearings
bear in mind
bear...in mind
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bear malice to
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bear market
bearnaise sauce
bear position
bear put spread
bear raid
bear's-ear
bearskin
bear spread
bear squeeze
bear transaction
bear up
bear with
bear witness to
beast
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更新时间:2026/9/9 1:19:44