It is a difficulty in the design of architectural acoustics all the time that spherical conformation creates sound focusing.

球形构造声聚焦问题始终是建筑声学设计中的一个难点。

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The technology works by focusing sound into a narrow beam, just like light.

这项技术的原理是将声音压缩成类似于光的窄束。

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"Some of these inventors have been designers of the human genome sequencer, incredible technologies around focusing sound in the same way have been able to focus light with lasers, health technologies like the stair-climbing wheelchair and a portable dialysis machine,".

VOA: standard.2009.12.18

Eswar Prasad, a professor of trade policy at Cornell University, agrees with Paulson that the U.S. should work to help China establish a sound financial system instead of narrowly focusing on the exchange rate between the yuan and the dollar.

FORBES: China's Currency Problems

Some companies, like Lucent, are focusing on improving the quality of the sound, while others are devoting more energy to increasing the copyright protection.

CNN: Lucent's digital music player to challenge MP3

"I think if you've spent your life focusing on just how the music you make is going to sound and even how it's going to feel, you're going to get thrown when all these other people start adding what it is that they want it to look like and feel like, " he says.

WSJ: Pop songwriters find excitement in stage musicals