The radiation problem is transformed into a transmission problem of the corresponding waveguide structure to avoid the difficulty of the field source problem which is met in the traditional analysis.
在分析过程中，将天线的辐射问题转化为相应波导结构的传输问题，从而避免了求解场源问题的困难；
Following the analysis of the existing certificate revocation schemes, we propose a new certificate revocation scheme based the difficulty of resolving the Quadratic Residues problem.
在对目前已有证书状态发布方案分析的基础上，本文提出基于二次剩余难解问题的证书撤销状态发布方案。
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