The 0 is a zero, used to represent the th sound.

字符0是零，用来代表th的声音。

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Measured in decibels, noise intensity can range from zero, the quietest sound the human ear can detect, to over 160 decibels.

按分贝计算，噪音强度可以从零（人耳所能感到的最低声音）到160分贝以上。

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When the zero hour, young and old happy ying ying to firecrackers sound welcome the New Year.

当零时一到，老老少少喜气盈盈，以爆竹声声迎接新年。

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This counterproductive approach will result in your getting zero quotes, or sound bites, in a story.

FORBES: The Quotable Example -Media Training

Because capital is usually, and legitimately, a small percentage of assets, capital can easily go to zero and a perfectly sound institution can be declared insolvent and taken over by its insurer or some other government agencies.

FORBES: Magazine Article

Unusually, there was a tie in the sound editing category - the Oscar was shared by Zero Dark Thirty and Skyfall.

BBC: Oscars 2013: Daniel Day-Lewis makes Hollywood history