Material selection, export structure design, and box size design are the key issues and difficulties of Fenzhouxiang millet packaging.

材料选择、倒出口结构设计、盒型尺寸设计是汾州香小米包装的重点与难点。

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In order to solve these problems and make the structure design of the packaging more effective, based on many design examples, models of inner packaging and sale packaging series were established.

通过对大量的设计实例进行归纳总结，建立了内包装、系列化销售包装的设计模型，有助于解决卷筒卫生纸包装现有的问题，同时方便生产企业进行快速包装结构设计。

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A packaging structure of high-power LED was presented, microlens array was employed in the secondary optical design, optical properties of the package was studied using Trace pro.

建立了一种大功率LED的封装结构，二次光学设计采用了微透镜阵列技术，运用光线追踪法研究了这种封装结构的光学性能。

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