Main frame: frame, lift tables, front-end delivery devices, front correction device, the middle conveyor, the middle laminated devices, finished side of the output devices, electrical control devices.

主机架：机架、升降工作台、前段输送装置、前段校正装置、中段输送装置、中段压合装置、成品侧面输出装置、电气控制装置。

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Then the main chapter comes, which describes the frame of program play software, including play model, channel list receiving model, menu system model and the adaptive buffer control algorithm.

第三章是本文的重点，描述了数字视频终端中节目播放软件的框架结构及节目播放模块、频道列表接收模块、菜单框架模块和自适应缓冲控制算法的设计和实现。

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In this paper, long-span rigid frame bridge construction control risk as the main object of study, a study around the following aspects: (1). Risk identification for bridge construction control error.

本文以大跨度刚构桥施工控制误差风险为主要研究对象，围绕以下几个方面展开研究：(1)进行桥梁施工控制误差风险识别。

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