- 重点词汇
- soundn. 声音,声响;音调,声调;声波;嘈杂声;响声;声;音响;印象;嗓音;海峡
- growsv.种植( grow的第三人称单数 );扩大;扩展;增加;
- talkingn.谈话;谈判;
- bitn.一点,一块;少量,少许;一会儿,一转眼;[计] 比特(二进位制信息单位);
- the back背面;
- alsoadv.也;同样;并且;
- earn.耳朵;听觉,听力;耳状物;穗;
- aart. (用于可数名词或单数名词前,表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一(个);每一(个);任一(个);
- onprep. (覆盖、附着)在…上;由…支撑着;在(运输工具)上;在(某一天);就在…之后;关于(事或人);(身上)带着;为(某团体或组织)的一员;吃;(表示方向)在,向,对;在,接近(某地);根据;以…支付;通过;与…相比
- becomesv.变为,成为( become的第三人称单数 );适合;使(人)显得漂亮;使好看;
- carriedadj.被携带的,被运载的;
- 相关例句
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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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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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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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 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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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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If you decide not to buy, the money you have spent on the survey is not recoverable.
如果你决定不买,你在调查上花的钱是收不回来的。
《柯林斯高阶英汉双解学习词典》
