Rough set-based method of combinatory logic optimization was presented by using knowledge expression of logic function with rough set theory, and its corresponding algorithm was given, also.
运用粗集理论对逻辑函数进行知识表达的方法，提出了基于粗糙集的组合逻辑优化方法，并给出了相应的算法。
Based on the uncertainty theory, a corresponding uncertainty analysis method for speed calculation model for vehicle-bicycle side collision accident is set up.
基于不确定度理论，针对汽车自行车侧撞事故的速度计算模型建立了相应的不确定度分析方法。
The technique for turning a uniform grating into a chirped grating by using a simple strain method is reported and the corresponding theory is deduced.
报告了用简单的应力方法使均匀光栅成为线性啁啾光纤光栅的技术，并推导出了相应理论。
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