噪音污染英语作文,减少交通噪音的方法英语作文带翻译四句话?
Our modern city is too crowded,and to solve the problem,three proposals are put . and “One Couple,One Child” in order to reduce the birth rate.Secondly,the city .
bicycle neither pollutes air nor makes noise.
噪声污染的治理措施用英语写四句话measures taken to deal with noise pollution:educate people to let them know it's impolite to talk loudly in public.decorations in the living areas should only be taken from 9:00a.m-5:00p.m.set off firecrackers should be controlled to certain time.car horn should be controlled.
Noise Pollution We know the sounds of cities are loud enough to cause great harm to people's hearing .S. One person out of twenty has got some hearing loss. And all over .
噪音污染英语作文
We know the sounds of cities are loud enough to cause great harm to people's . 噪音污染 众所周知,在美国,城市巨大的噪音对人们的听力造成了极大的损害.每20个人中.
Noise Pollution 噪音污染 Noise is among the most pervasive pollutants today. Noise from road traffic, jet planes, jet skis, garbage trucks, construction equipment, .
noise pollution we know the sounds of cities are loud enough to cause great harm to . 噪音污染 众所周知,在美国,城市巨大的噪音对人们的听力造成了极大的损害.每20.
减少噪音的方法有哪些
方法:1、密闭声源,在声源处建造隔声墙,防止噪声直接向外传播. 2、加强绿化,在繁杂的公路两旁植树造林,形成屏障. 3、添置隔音设施. 4.给机器上足润滑油,即防止产生噪音,又能保护机器. 5、在耳朵处加塞隔音装置,如好的耳塞. 分开摆放,尽量不要将电器集于一室,声压级过高的不要放在或靠近办公室. 6、及时排除噪音大的机器.7、养花草可消除部分噪音.减小噪音原则:一、声源处减弱.二、传播过程中减弱.三、接收处减弱.
减少噪音的方法 减小噪音原则:一、 声源处减弱 二、传播过程中减弱 三、接收处减弱 方法:1、密闭声源,在声源处建造隔声墙,防止噪声直接向外传播. 2、加强绿化,在繁杂的公路两旁植树造林,形成屏障. 3、给添置隔音设施. 4.给机器上足润滑油,即防止产生噪音,又能保护机器. 5、在耳朵处加塞隔音装置,如好的耳塞.
生活中人们为了减少噪声,常用的方法有(密闭声源,在声源处建造隔声墙,防止噪声直接向外传播)、(加强绿化,在繁杂的公路两旁植树造林,形成屏障)、(给添置隔音设施)、(给机器上足润滑油,即防止产生噪音,又能保护机器)、(在耳朵处加塞隔音装置,如好的耳塞).
生活中怎样减少噪音
1.声音传播是需要介意的,所以你可以装双层玻璃的窗户,夹层抽成低压(真空估计玻璃的碎).2.声音在空气中传播时是以震荡波的形式传播(类似于水波),所以可以在噪音源与你的房间之间架设隔音墙,这样可以将声音反射回去.3.在噪音源与你的房间之间养一些花草,可以将噪音反射出去,也可以降噪.望采纳
第1是高速行驶,迅速通过噪音敏感区,减少影响的时间.第2是尽量减少鸣笛
噪音是人类的无形杀手,室内的噪音对婴幼儿健康影响尤其重大.为了更好地为读者提供服务,我们寻找了一些在家庭装修中能够减少室内噪音的方法,您不妨一试.一.
降低噪音污染的建议
家居噪声如何防止呢 为有效地防止和减轻噪声污染对家庭环境的影响与危害,可采取多种方式和措施. ①在进行居室装饰时,尽可能采用吸声隔音材料,以降低室内声音的.
为了防止噪音,我国著名声学家马大猷教授曾总结和研究了国内外现有各类噪音的危害和标准,提出了三条建议: (1)为了保护人们的听力和身体健康,噪音的允许值在 .
一是切菜时在案板下放一块布,声音就减轻了;二是平时接打电话声音尽量小点.
如何消除噪音污染英语
Our modern city is too crowded,and to solve the problem,three proposals are put forward.Most people believe that we should fist practise the policy “Late Marriage” and “.
bicycle neither pollutes air nor makes noise.
noise pollution has become more and more serious. Noise pollution makes us talk more loudly and become angry more easily.