Each time the two hands a certain standard 12-hour clock form a 180 Angle, a bell chimes once.

每次两只手一定标准的12小时时钟形成一个180的角度，钟响铃一次。

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Eventually these were superseded by "small clock", or French, hours, which split the day into two 12-hour periods commencing at midnight.

最终，这些被“小钟”——即法语中说的小时取代了，它把一天分成两个12小时的时间段，从午夜开始。

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Dazed, Langdon looked at the bedside clock. It was 12:32 A. M. he had been asleep only an hour, but he felt like the dead.

他睡眼惺忪的看了看床边的钟。午夜12时32分。他刚睡了一个小时，但感觉如昏死过去一般。

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