signal 高考四级六级考研

The conductor signaled the orchestra to rise.

指挥打手势让乐队起立。

Instead of a holoscan, the comlink generated an audio signal—an accelerating series of beeps.

通讯器并没有生成任何全息图像，而是放出了一阵音频——一连串“哔哔”声。

I lay awake through the wee small hours,waiting for the signal.

我躺到后半夜没睡,等候。

On playback, the opposite process is applied (deemphasis), based on the signal level.

播放时候，根据等级应用相反过程（减弱）。

The signal pistol went off with a bang.

枪砰一声响了。

The function of supersensitization was explained by measurements of ESR signal and polarographic half-wave potential.

通过ESR与极谱半波电位测试，对超增感机理进行了解释。

China also is interested in electronic intelligence (ELINT) or signals intelligence (SIGINT) reconnaissance satellites.

中国也对电子情报或者情报侦察卫星感兴趣。

This metal tower is used to relay television signals to distant villages.

这个金属塔是用于向遥远村子转播电视讯。

The emergency signal SOS has no literal meaning.

呼救SOS在字面上没有任何意义。

In a forest, wet wood and needles attenuate the signals.

在森林中，潮湿树木与针叶会使讯变弱。

Benson signaled the auctioneer quietly and kicked the bid up another thousand dollars.

本森悄悄地向拍卖人做了个手势, 然后把出价又抬高了1000美元。

Results 60%cancer karyon, cytoplasm display positive signal of Staphylococcus aureus L-form DNA.

结果60％癌细胞核、浆内显示金葡茵L型DNA阳性。

Only a cross-over above the zero line of the indicator could signal bullishness again.

只有在零线指标之上交叉可能预示又一次看涨。

The carrier wave has got out of phase with the signal wave.

载波同波是异相。

In our village, there is an antenna on every roof for receiving TV signals.

在我们村里, 每家房顶上都有天线接收电视。

This radio signal has a frequency of 800000 cycles per second.

这个无线电讯频率是每秒八百千周。

Drivers must be on the alert for traffic signals.

驾驶员必须密切注意交通。

Our fax machine differentiates between an incoming fax signal and a voice call.

我们传真机能区分接收传真和语音。

Experts regarded it as a warning signal of an economic smashup.

专家们把它看作是一场经济灾难警告。

People speak of Mark Twain as a signal humourous writer.

人们称马克·吐温为杰出幽默作家。