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单词
pulse-time modulation
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pulse
′
-time modula′tion
(puls
′
tīm′),
USA pronunciation
[
Electronics.
]
Telecommunications, Radio and Television
radio transmission in which the carrier is modulated to produce a series of pulses timed to transmit the amplitude and pitch of a signal. Abbr.: PTM
1940–45
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更新时间:2025/12/6 5:07:12