It can be widely used in food package industry, printing industry and other fields.
从而使该磁粉能广泛地应用于食品包装工业、印刷工业及其它领域。
This thesis focuses on downstream package industry to research the method for improving light efficiency of LED.
本文主要针对下游LED封装进行研究，阐述LED发光效率提升的方法。
This thesis focuses on downstream package industry to research the method for improving light efficiency of LED.
本文主要针对下游LED封装进行研究，阐述LED发光效率提升的方法。
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