Decibel one phrase is applied to telephone engineering first in 1924 beginning of years in.

The most usual system is that of the decibel scale.

最常用的系统为分贝标度系统.

词典精选例句

Specified as a decibel value over a frequency range.

以特定频率范围的分贝值表示.

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Human's ear usually cannot stand sound over 80 decibel.

人类的耳朵通常忍受不了八十分贝以上的声音.

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Toys that make noise can't exceed certain decibel limits.

有噪声的玩具不能超过规定的分贝限度.

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The decibel is unit that expresses the ration of the magnitude of two electric voltage.

分贝是表示两个电压等级数量的单位.

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In sound we use the decibel scale.

在声学中我们采用分贝标度.

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Ear also becomes carried on the back a bit, talking sound grows decibel.

耳朵也变得有点背了, 说话的声音长分贝了.

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The noise pollution reached a high decibel levellevel.

噪音污染达到了很高分贝.

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A measure of sound intensity equivalent to one decibel at 1000 Hz.

一种声强的量度单位,其值等价于1000Hz1分贝.

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The decibel level was mounting.

噪音在增强。

《柯林斯高阶英汉双解学习词典》

And it analyses the effect of decibel in the EMC test and electromagnetic design.

分析了分贝在电焊机电磁兼容测试和电磁兼容设计方面作用.

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A Decibel is equal to a shell very.

一贝尔等于十分贝.

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Scientists use a unit of measure called a decibel to measure the loudness of a sound.

科学家使用了一种计算单位称为分贝来衡量响度的声音.

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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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A normal conversation reaches 55 decibels.

普通的谈话即可达55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.

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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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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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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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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》