They do a better job of stopping outside noise, so you can listen at a lower volume.

它们能更好地阻止外界的噪音，所以你可以调低音量听音乐。

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Even the simplest earplugs, she says, can lower noise exposure by 20 decibels and protect hearing cells from permanent damage.

亨德逊说，即使一个最简单的耳塞，都能够降低20分贝的噪音，保护我们的耳朵原理永久性的伤害。

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The -c model is designed to have a lower noise profile to keep people around airports as happy as the airline bean counters paying the fuel bills.

这个C型模型将有更低的噪声特性，它能使机场周围的居民和支付燃料账单的航空公司一样高兴。

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Better aerodynamics (replacing side mirrors with digital lenses, for instance, to reduce drag and wind noise), lower-resistance tires, low-voltage engine accessories, lighter vehicle structures there's a lot on the agenda.

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If no subject movement is identified, the EXR-CMOS sensor automatically keeps the ISO lower and uses image stabilization to reduce noise.

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Because the power consumption of a CMOS chip is so much lower to start with, full-frame sensors can be made that run cool, generate less noise and offer longer battery life.

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