decibels

Decibels measured in water are different from those measured on land.

水下测量的分贝值不同于在陆地上测量.

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The signal level in decibels ( or nepers ) at a particular position on a telecommunication line.

在远程通信线的某一位置上,以分贝 ( 奈培 ) 单位表示的信号电平.

网络文摘精选

A decrease or loss in a signal. Reduction of signal magnitude ( loss ) normally measured in decibels.

减小或 降低信号,信号减小或降低的多少通常用分贝来衡量.

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The amplitude defines how loud the sound is and is usually measured in decibels ( dB ).

声波实质上是 正弦曲线,它有振幅和频率.

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This Sunday's tussle between the hometown Chiefs and the arch-rival Raiders generated a crowd roar of 137.5 decibels, according to the home team's sound engineers.

根据领导者主场的声音工程师测定，这周末领导者主场跟劲敌雷达者之间的比赛观众呐喊声达到了137.5分贝。

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A normal conversation reaches 55 decibels.

普通的谈话即可达55分贝.

《简明英汉词典》

The signal level in decibels ( or nepers) at a particular position on a telecommunication line.

在远程通信线的某一位置上，以分贝（奈培）单位表示的信号电平。

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Watch the monitor and tell me if the level goes above forty decibels.

看着监测器,如果超过40分贝就告诉我.

《简明英汉词典》

On a log scale, 80 decibels is actually 10 times noisier than 70 decibels.

从对数比例的角度来说, 80分贝的噪音要比70分贝的噪音高10倍.

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Tests show that a passing-by subway train can produce a noise of 100 decibels. If someone is happening to be talking through earphones, the sound gets to his ears can amount to 120 decibels or more.

测试显示，地铁列车通过时产生的噪音达100分贝，如此时有人正好在用耳机通话，入耳的声音就会达到120分贝以上。

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The noise went up several decibels when the police department's marching band played "Here Comes the Bride."

当警察局的游行乐队奏响“新娘来了”时，欢呼声升高了好几分贝。

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Sirens like a fire engine or police car are around 120 decibels.

汽笛，像消防车或者警车的汽笛，大概有120分贝。

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The typical lawn mower makes about 90 decibels of noise.

典型的割草机发出的声响约为90分贝.

《简明英汉词典》

The ordinate scale is linear in decibels.

纵坐标比例尺以分贝为单位是线性的.

词典精选例句

A hippopotamus'scream has been recorded at 115 decibels-louder than a jet airliner at takeoff.

河马发出的声音可以达到115分贝——比一架喷气式客机起飞时的声音还要大.

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As you all know, the normal noise threshold for private housing is 55 decibels.

正如你们知道的, 个人房子正常噪音为55分贝.

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And relative to its body, the little water boatman made the biggest racket, maxing out at 99 decibels.

结果，以身材大小为依据，划蝽是声音最响亮的动物，能够达到99分贝。

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The intensity of a nearby jet taking off is about 110 decibels.

一架在附近起飞的喷气机的声音强度大约是110分贝.

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Crosstalk is expressed in decibels at a specified load impedance and at a specific frequency.

串扰被表示为规定负载阻抗和规定频率下的分贝值.

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Continuous exposure to sound above 80 decibels could be harmful.

持续暴露在强度高于80分贝的噪声中可能有害。

《柯林斯高阶英汉双解学习词典》

Forests to reduce noise pollution. 40-meter-wide forest belt noise can be reduced 10 to 15 decibels.

树林能减少噪音污染. 40米宽的林带可减弱噪音10—15分贝.

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The blue whale is not only large, it is loud and it is able to make a sound of almost 190 decibels.

它们不仅体型庞大，声音也十分洪亮，可以发出190分贝的叫声。

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However, psychologists distinguish between'sound " and " noise " .'sound " is measured physically in decibels.

然而, 心理学家把声音与噪声做了区别, 声音实际上可以用分贝来测量,而噪声却不能用同样的方法来测量.

中级百科部分

A close cousin is dynamic range, which defines the span ( expressed in decibels) between the background noise and the loudest level possible before the onset of gross distortion.

“动态范围”是“噪音”的另一个近亲：指的是背景噪音和完全失真前可能达到的最大音量之间的取值范围（用分贝表示）。

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When subjected to 100 decibels or more, hearing damage can occur in just 15 minutes.

100分贝或100分贝以上的声音在15分钟内就会对听力造成损害.

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At a level of 140 decibels people feel pain in their ears.

在140分贝的时候人们的耳朵就会感到疼痛.

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continuous exposure to noise levels above 80 decibels can be harmful.

长时间暴露在超过80分贝的噪音水平中可能是有害的。

词典精选例句

The experiments in mice showed that the drugs could reduce by about five decibels the permanent threshold shift that can occur after noise exposure.

这项在老鼠身上的实验显示这些药物在噪声暴露之后能够将永久性听阈位移降低五个分贝。

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