奇偶校验是一种校验代码传输正确性的方法。
Parity is a method of checking the correctness of the code transmission.
密钥管理通过IP网络传输，结合PKI与智能卡技术，可以保证密钥传输的安全性和正确性。
Key management can make the key transporting on IP network safe and accurate greatly combining with PKI and smart card method.
设计中充分考虑了系统的扩展性，数据传输的可靠性、正确性，功能实用性以及运行的经济性等因素。
In my design I give full consideration to the expansion of the system, data transmission reliability, accuracy, functionality and practicality of running the economy and other factors.
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