The polarities check ability, minimum code distance and capacity of correct single bit error of CRC-CCITT are proved by using galois field polynomial theory.
以国际标准CRC-CCITT循环冗余校验码为研究对象，利用近世代数多项式理论证明其奇偶校验性质、最小码距和纠正单比特错误能力。
A check reveals that a is correct and that, in error, the Committee had failed to post As score. What should be done?
经核实，A是正确的，委员会错误地记录了A的成绩，这时应该怎么办？
A check reveals that a is correct and that, in error, the Committee had failed to post As score. What should be done?
经核实，A是正确的，委员会错误地记录了A的成绩，这时应该怎么办？
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