Abstract: This paper introduces effect, structure and working principle of equipment making conveying belt change groove Angle.

文摘：介绍了试验台上输送带可变成槽装置的作用、结构及工作原理。

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The paper analyzes the abstract model of warehousing management from the angle of process, depicts the impact of RFID in warehousing management and maybe, points out the future research direction.

从流程角度分析了仓储管理的抽象模型，阐明了RFID技术对仓储管理的影响和该领域可能的研究方向，为其他学者进一步研究RFID和仓储管理相关问题提供了一个初步的研究框架。

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Abstract: the article analysed the current situation of city sculpture from the social Angle and the environment art Angle.

摘要：文章从社会角度以及环境艺术的角度对城市雕塑的现状进行深入剖析。

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