signal
信号,暗号;预兆,征象;动机;导火线
向…发信号;用动作(手势)示意;以信号告知;
发信号;
显著的,优越的;暗号的,作信号用的;
变形
复数:signals过去式:signalled过去分词:signalled现在分词:signalling第三人称单数:signals
双语释义
- [C] 信号,暗号sth intended to warn command, or give a message, such as a special sound or action
- [C] (无线电或电视所传送的)讯号,信息,图像a sound, image, or message sent by waves, as in radio or television
- vt.& vi. 发信号,用信号传达,用信号通讯make a signal or signals; send or express (sth) in this way; communicate with (sb) in this way
英英释义
signal
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n.
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any communication that encodes a message
"signals from the boat suddenly stopped"
同义词:signalingsign
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any incitement to action
"he awaited the signal to start"; "the victory was a signal for wild celebration"
- an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
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any communication that encodes a message
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v.
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communicate silently and non-verbally by signals or signs
"The diner signaled the waiters to bring the menu"
同义词:signsignalizesignalise
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be a signal for or a symptom of
"The economic indicators signal that the euro is undervalued"
同义词:bespeakbetokenindicatepoint
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communicate silently and non-verbally by signals or signs
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adj.notably out of the ordinary
"the year saw one signal triumph for the Labour party"
词汇搭配
- catch the signal见到那信号
- give〔ignore〕 a signal给〔忽视〕信号
- produce signals产生信号
- put up〔send〕 a signal发信号
- receive signals接收信号
- repeat〔respond to〕 a signal重复〔回答〕信号
- show a signal显示信号
- audible〔clear〕 signal听得见〔清楚〕的信号
- auditory〔calling, visual〕 signal声音〔呼叫,视觉〕信号
- unmistakable〔weak〕 signal明确无误〔微弱〕的信号
- alarm〔caution, danger〕 signal警报〔警戒,危险〕信号
- color light signals彩色灯信号
- fire〔fog, storm〕 signal火灾〔起雾,暴风雨〕信号
- home〔railroad〕 signal进站〔铁路〕信号
- input〔output〕 signals输入〔输出〕信号
- picture signals图像信号
- radar signal雷达脉冲
- traffic signal〈美〉交通信号
- signal generator〔lamp, pistol〕信号发生器〔灯,枪〕
- at a signal在信号发出时
- begin at a signal在信号发出时开始
- ask by signal用信号发问
- on a signal在信号发出时
- signal by sounding a bell以铃声为信号
- signal for a retreat撤退信号
- signal from发自…的信号
- signal in code编码信号
- signal of danger危险的信号
- signal to发往…的信号
- signal position示意位置
- signal wildly乱发信号
- signal out a distress signal发出遇难信号
- signal for为(某事)而发信号
- signal for help发信号求救
- signal with flags用旗子当信号
词组短语
signal processing信号处理
digital signal数字信号
digital signal processing数字信号处理
signal processorn. 信号处理机;讯息处理者
signal transmission信号传输;信号发送
digital signal processor数位讯号处理器
output signal输出信号
input signal[电]输入信号
signal analysis信号分析
signal generator信号发生器;讯号产生机
signal detection信号检测
signal to noise ratio信噪比,信号噪声比
control signal控制信号;操纵信号
speech signal语言信号,语音信号
video signal视频信号
traffic signal交通信号;交通讯号,指挥灯
audio signal声频信号;可听声信号
signal sourcen. 信号源
analog signal[计]模拟信号
electric signal电讯号
同近义词辨析
这组词都有“标志、象征、符号”的意思,其区别是:
sign普通用词,指人们公认事物的记号,也可指某种情况的征兆。
emblem指选定象征一个国家、民族或家庭等的图案或实物。
symbol指作象征或表达某种深邃意蕴的特殊事物。
token语气庄重,指礼品、纪念物等作为表示友谊、爱情等的象征或标志。
attribute指人或物及其地位、属性的象征。
mark普通用词,含义广泛。既可指方便于辨认而有意做的标记,又可指自然形成的标记或有别于他事物的特征。
signal指为某一目的而有意发出的信号。
badge一般指金属证章或写有姓名的带状标志物。
双语例句
- A red lamp is often a danger signal.
红灯常常是危险的信号。 - I corrected my watch by the time signal.
我按报时信号校正我的表。 - I've called several times, but I keep getting a busy signal.
我打了好几次了,可是一直是忙音。 - We live too far from the city to get a strong television signal.
我们住的地方离城里太远, 不能收到清晰的电视图像。 - Her speech yesterday is a signal that her view has changed.
她昨天的讲话标志著她的观点已经转变。
- The police signalled the traffic to move forward slowly.
警察向来往车辆打信号,示意缓慢前行。 - The submarine signaled for help.
潜水艇发出求救的信号。
- People speak of Mark Twain as a signal humourous writer.
人们称马克·吐温为杰出的幽默作家。 - This is a signal success.
这是显著的成功。