2024届安徽省A10联盟高三开学考试英语

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本文从以下几个角度介绍。

1、安徽a10联盟2024高三开年考英语
2、安徽省a10联盟2024高三开考
3、安徽a10联盟2024英语
4、2024安徽a10联盟11月段考英语
5、2024安徽a10联盟考试答案英语
6、安徽a10联盟2024最后一卷英语
7、2023-2024安徽a10联盟高三开年考
8、2024安徽a10联盟最后一卷英语
9、2024安徽省a10联盟
10、安徽a10联盟2024高三

DA national engincering laboratory in Tianjin is the base of the world's largest and mostadvanced sound source identification system for commercial use.At first glance,the equipment,known as a sound camera and consisting of a big wheel with a supporting structure,looks like a miniFerris wheel that lacks seats and cannot move.A closer look at the 5-meter-diameter wheel revealshigh-tech features like an array (of 144 sensors used to capture,identify and analyze thesource of noise on railways."It is like a sound radar for discovering noise,"said Hu Wenlin,vicehead of the National Engineering Laboratory for Noise Control and Reduction at China RailwayDesign Corporation.Hu said that the data produced by the machine allows engineers to better understand the soundsgenerated when a train passes by,such as which part produces the most noise.After analyzing thedata,engineers can draw up precise plans to reduce noise and make construction plans accordingly.For example,if a railway passes a residential area with stricter noise abatement requirements,engineers can come up with a plan to minimize noise to the lowest level,usually at greater expense.But if a railway passes a place with more relaxed noise control requirements,designers can make acheaper plan.Noise control technologies have been applied to dozens of major railway projects across thecountry.The sound camera,fully developed in China,is advanced by world standards,said WangChangjin,the director of the National Engineering Laboratory.Before the sound camera was available,engineers usually used a pole fitted with sensors to collect sound data along railway lines."I cannotbe compared to the technique we are using now,which increases accuracy greatly,"Wang said.The machine is just one of many innovations developed by the laboratory.It has conductedmany research projects on railways,leading to the development of key noise control equipment forhigh-speed railways and bringing quieter lives to people living near the lines.32.What can we know about the sound camera from Paragraph 1?A.It is invented by Hu Wenlin.B.It is a sound radar in the shape of a wheel.C.It is fitted with many sensors to study noise.D.It transforms sound information into images.33.What does the underlined word"abatement"in Paragraph 2 probably mean?A.Monitoring.B.Recording.C.ReducingD.Analyzing.34.What highlights the sound camera according to Paragraph 3?A.It can move like a wheel.B.It has been applied to other fields.C.It is available for everyone.D.It operates far more accurately.35.What is the best title for the text?A.Technology Frees People from NoiseB.Sound Camera Makes Rail Lines QuieterC.Importance of Conducting Sound Research1.a.1D.Influence of Noise Pollution on People's Lifebalise 2.高二英语试题(B)第6页（共10页）