脈沖振鈴 的英文怎麼說
中文拼音 [màichōngzhènlíng]
脈沖振鈴
英文
pulse ringing-
Apart form this, impulse interference caused by the ringing, pick - up or hang - up of phones as well as temperature or humidity changes of the surrounding environment will also influence the transmission performance of adsl
另外,電話的振鈴,摘掛機等引起的脈沖干擾,周圍環境溫濕度的變化均將影響adsl的傳輸性能。Ring - down pulse
振鈴脈沖
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