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This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.

  • 文章重点介绍在机械通风和不影响建筑隔声实验室原有的实验功能与结构的前提下如何对建筑隔声实验室进行改造以获得背景噪声低于15dB（A）的混响场实验环境。
  • 来源:互联网摘选更新时间:2025-01-20 17:20:52
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  • 重点词汇
  • acousticadj.听觉的;声学的;原声的;音响的;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
  • toprep. 向，朝着;到;关于;属于;
  • gainv.获得;得到(好处);取得;增加;增长;赢得;(从…中)受益，获益;增值;（经过努力）到达;增进;博得;增添;走得太快
  • noisen.噪音;喧闹声;响声;言语;干扰信息;
  • labn.实验室，研究室;Lab,英国政治工党;分析室;暗室;
  • loweradj.(尤指位于同类物品或成对物品中另一个的)下面的，下方的;在底部的;近底部的;朝海岸的;低洼的;向南的
  • isvt.& vi. 是(be的三单形式);
  • buildingn.建筑物;楼房;房屋;建筑（艺术或行业）;
  • ofprep. 关于;属于…的;由…制成;
  • showsv. 给…看( show的第三人称单数 );表现出;显露出;上演;
  • functionn.功能;函数;作用;职能;机能;因变量;宴会;典礼;社交聚会;子例行程序
  • 相关例句
1、

The gravity observation residuals and station background noise level are also investigated.

文章还研究了重力观测残差和台站背景噪声水平。

互联网摘选

2、

The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.

声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。

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3、

Sleep experiments were done in 6 subjects under 3 conditions. ( 1) Quiet, background noise level lower than 45dB ( A);

为探讨在噪声环境中的睡眠防护问题，设计了三种状态的睡眠实验：（1）安静状态，背景噪声低于45dB（A）；

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4、

The portion of fiber mask obtained with the high threshold depicts the main character of fiber mask. In order to improve the continuity of mask edge and depress the noise output, the background noise level is evaluated for each image.

通过高阈值计算得到的结果确定了各纤维的轮廓的主要部分。为了提高纤维掩码的连续性以及最大限度地降低噪声输出，本文对图像的背景噪声进行评估。

互联网摘选

5、

Thus as the signal level drops, the higher frequencies are progressively more strongly filtered, which also filters the constant background noise level.

也就是说随着信号等级降低，高频声音越来越多被过滤，静态的背景噪音也被过滤。

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6、

The background noise level of this instrument under the condition of conducted disturbance and disturbance power test is provided.

讨论了监测待测物使用工况的必要性，给出了电流参量测试仪的传导骚扰和骚扰功率的背景骚扰电平。

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7、

Effect of Background Noise Level on Measurement

噪声背景值对噪声监测结果的影响

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8、

Exploration and Practice of Applying Task-based Language Teaching to Outside Classroom Activities

任务型教学法应用于英语第二课堂的探索与实践

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9、

Using the environment of second class and campus to train cultures quality.

2通过第二课堂和校园文化环境来达到文化素质养成的目的；

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10、

Application of multimedia in supplementary class of operative surgery

多媒体技术在手术学第二课堂教学的应用体会

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11、

Carrying out Extracurricular Activities in PE to Build up the Students'Health

开展体育第二课堂教学对增强学生体质的作用

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12、

An Exploration on Improving English Teaching Under Higher Vocational Features

高职特色下以英语第二课堂活动促进教学的探讨

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13、

To Strengthen and Widen Library's Service Function as After-class Classroom

强化和拓展图书馆作为第二课堂的服务功能

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14、

Functional Analysis on the Educational Impetus of Extracurricular Activities in College

高校第二课堂活动的教育动力功能分析

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15、

Learner Autonomy Theory and Its Implication for English Extracurricular Activities

自主学习理论及其对英语第二课堂活动的启示

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16、

Thinking and Practice of Supplementary Classes in Clinical Education

在临床医学教育中有效开展第二课堂教育的思考与实践

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17、

About Opening Up the Second Class for Teaching Principle of Machinery

对机械原理课程开辟第二课堂的思考

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18、

An Empirical Study of Using Extracurricular Activities for Extending College English Teaching

运用第二课堂活动拓展大学英语教学的实证研究

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19、

Applying Extracurricular Teaching Activities to Cultivate Students' Practical Ability

运用第二课堂培养学生实践能力的实践

互联网摘选

20、

The Influence of Extracurricular Activities on the College English Classroom Teaching

浅谈第二课堂对大学英语课堂教学的作用

互联网摘选

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This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 路透社：传TikTok计划关停：TikTok美国用户陷入恐慌和绝望 This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 2025年6月四级作文范文带翻译1：自荐信 This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 高考英语阅读理解真题133(含答案解析) This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 新版《呼啸山庄》开拍，Margot Robbie 产后复出搞事业啦! This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 2025年6月六级英语作文范文3篇（带中文） This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 高考英语短文改错真题11（含答案解析） This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 高考英语阅读理解真题122(含答案解析) This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 高考英语完形填空真题26（含答案解析） This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 妮娜·杜波夫领衔！《吸血鬼日记》女神天团重聚，粉丝泪目：爷青回！ This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.相关阅读 高考英语阅读理解真题73(含答案解析)
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