- 重点词汇
- likeprep.相似; 类似; 像; (询问意见)…怎么样; (指某人常做的事)符合…的特点,像…才会;
- simpleadj.简单的;单纯的;朴素的;
- goodadj. 好的;优质的;符合标准的;可接受的;令人愉快的;令人满意的;合情理的;有说服力的;有充分根据的
- deceptivelyadv.迷惑地;虚伪地,欺诈地;
- andconj. 和;与;而且;于是;然后
- alladj. 全部的;一切的;各种的;极度的,尽量的;
- ideasn.想法; 构思; 主意; 印象; 概念; 意见; 看法; 信念;
- itpron.它;他;正好是所需的;事实[情况];
- wasv. 用来表示某人或某物即主语本身,用来表示某人或某物属于某一群体或有某种性质( be的过去式 );在,存在;不受干扰;
- 相关例句
Decibel one phrase is applied to telephone engineering first in 1924 beginning of years in.
分贝一词于1924年首先被应用到电话工程中.
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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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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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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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