In the early 1930s, most theater owners installed new sound systems.

在20世纪30年代初，大多数影院都安装了新的音响系统。

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He looked like a person listening to a new sound in the distance and wondering what it was.

他看上去就像一个人听到远处传来的新的声音，想知道那是什么声音。

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By installing the new sound system, the Student Association hopes to attract more students to the movies and increase ticket sales.

学生协会希望能通过安装新的音响系统来吸引更多的学生观看电影，并增加票房收入。

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The wind came again. Finally,the men heard a new sound C the sound of waves breaking and crashing on the shore.

VOA: special.2010.03.06

They wouldn't have said that because it doesn't sound we want to think that we invented this here but it actually was a new invention in a way because the United States has a different philosophy which the United States has been committed since its beginning to federalism.

他们不会说,因为它听起来不像,这里我们希望大家把它想成我们自己的发明,但是事实上，它确实是一个新的发明,因为美国有一个不同的哲学,这个哲学是，美国力图从一开始就,使自己成为联邦制度国家。

耶鲁公开课 - 金融市场课程节选

He also played with other young jazz musicians who helped make the new sound known.

VOA: special.2009.05.03

Like Cream, the Dead honored an elder while reshaping a new sound for a new purpose.

NPR: Blues Song Is a Decades-Long Music Lesson

My ultimate challenge was how to design a whole new Sound Blaster for them.

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In 2001, the theater was restored with new seats, a new screen and a new sound system.

WSJ: The Castro Holds Spotlight