Information hiding is an interlaced subject, which is built on the basis of mathematics, modern cryptography, information processing theory, and computer applied techniques.

信息隐藏技术是一门建立在数学、现代密码学、信息处理理论和计算机应用技术基础上的交叉性学科。

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This method is applied in solving the problem of computer aided analysis of an electro-magnetic field on the basis of electric circuit theory.

有限网络法利用电路理论来解决电磁场计算机辅助分析的问题，有一定的实用价值。

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