Parity bit: a check bit added to a series of binary digits to make the total odd or even according to the logic of the system.

奇偶校验：加于一组二进制数字内的一个校验数元。它跟据系统逻辑，使总数为奇数或偶数。

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If two integers are both odd or both even, they are said to have the same parity; if one is odd and one even, they have different parity.

假如两个整数都是奇数或都是偶数，则它们具有相同的奇偶性；

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Parity is an error-checking procedure in which the number of 1s must always be the same—either even or odd—for each group of bits that is transmitted without error.

奇偶校验是一个错误检查过程，其中每组无错传输位的 1 的数目必须始终相同，即或奇或偶。

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