signal 高考四级六级考研

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信。

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

在，潮湿的树木与针叶会使讯变弱。

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

本悄悄地向拍卖人做了个手势, 然后把出价又抬高了1000美元。

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

通讯器并没有成任何全息图像，而是放出了一阵音频信——一连串急促的“哔哔”声。

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阳性信。

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

我躺到后半夜没睡,等候信。

The conductor signaled the orchestra to rise.

指挥打手势让乐队起立。

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

载波同信波是异相的。

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的警告信。

Signals are made with flags or lamps.

用旗或灯传递信。

Signals are made by day with flags and by night with lights.

信白天用旗, 夜晚用灯发送。

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

这个无线电讯的频率是每秒八百千周。

Jim signaled his helplessness to Mary to leave the party.

吉姆无法从宴会脱身时,他向玛丽使了个眼色,表示无可奈何。

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。

The emergency signal SOS has no literal meaning.

呼救信SOS在字面上没有任何意义。

Interviewers quickly learn to pick up non-verbal signals.

采访者很快学会读懂非言语信。

The signal pistol went off with a bang.

信枪砰的一声响了。

The radio is giving out a signal.

这收音机发出了一种信。

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

播放的时候，根据信的等级应用相反的过程（减弱）。

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

我们的传真机能区分接收传真信和语音信。