这相当于一个光声版本的无线电频率条形码，可以用在需通过自动收费站的车上，或者给商品打价签。

This could be used like an optoacoustic version of the radio-frequency bar codes that are used by cars passing through the pay booths of automated toll roads or to tag some goods in shops.

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声音粒子，即声子，和光的粒子(光子)或者其他基本粒子，都受海森堡的不定性原理影响。

And particles of sound, known as phonons, are just as susceptible to Heisenberg's uncertainty principle as particles of light (photons) -or, indeed, any other fundamental particle.

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他们被身后巨大的碰撞声和树枝折断的声音吓了一跳：原来是Benny，他跌跌撞撞地跑进手电光形成的光池里。

They were startled to hear loud crashing and branches snapping behind them, but it turned out to be Benny. He stumbled into the pool of light cast by the flashlight.

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