The technological and economic factors relating to the cutoff grad analysis are studied, providing the basis for the inter-variable relationsanalysis in optimization modeling;
In geometry optics basic content is asks the picture, the paper through to the physical image position relationsanalysis, obtains the fast judgment lens image formation rule the method.
几何光学中的一个基本内容是求像，本文通过对物像位置关系的分析，得出快速判断透镜成像规律的方法。
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One possible extension of this application would be to recognize more kinds of entities, and relations between the entities, by using more sophisticated text analysis.