网络释义专业释义英英释义
Ring-down count 振铃计数
Ring-down count rate 振铃计数率
ring-down pulse 振铃脉冲
ring down the curtain 结束 ; 落幕 ; 鸣铃 ; 打铃闭幕
ring down trunk 铃流信号中继线
ring down system 铃流信号制
ring-down artifacts 环晕伪像
ring down key 铃号键
Manual Ring-Down Line 手动振铃线路
Ringdown
- abstract: In telephony, ringdown is a method of signaling an operator in which telephone ringing current is sent over the line to operate a lamp or cause the operation of a self-locking relay known as a drop. Ringdown (a) is used in manual operation, as distinguished from dialing, (b) uses a continuous or pulsed ac signal transmitted over the line, and (c) may be used with or without a switchboard.
以上来源于: WordNet
双语例句原声例句权威例句
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She was staring down at her hands, twisting the ring on her finger.
她往下盯着自己的手，旋转着手指上的戒指。
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The sun would ring down, pulling darkness after it like a curtain.
夕阳会西下，像落幕似地把夜暮降下。
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We'd best get to that hotel before they ring down the curtain on the conference.
我们最好能在会议结束之前赶到那家酒店。
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Instead of listening to the cry of agony they listen to the ring of dollars and stoop down and pick up the coins."
怨言绕耳过,硬币叮当落,速拾不嫌多"
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