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Answers for “时钟示例如何说明模运算中的回绕?”

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The clock example illustrates wrap-around by showing that although a day has 24 hours, a 12-hour clock uses only 12 numbers. Times beyond 12 map back onto the same cycle, such as 15 hours becoming 3 p.m.

Conditions: The example uses a standard 12-hour analog clock.; The modulus is 12.

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In this clip, the modulus is the specific value at which the integer system wraps around and restarts. It acts as the boundary for the cyclic arithmetic.

Conditions: Used within modular arithmetic.; The exact formal notation for modulus is not introduced in this clip.