接下来的第一部分，介绍点击付费模式网络广告合同，总结其特征。
Part 1 introduced the online ads contract base on CPC model and summarized the characters of the contract.
界定旋转餐厅的概念与内涵，总结旋转餐厅的特征与类型，并分析其在当地社会、经济生活中的效用。
A summary of the types and characteristics of rotating restaurant; Analysis of its effectiveness on economy and society.
通过对供应链的系统分析，归纳总结了供应链的基本结构模型，并分析了其可靠性的特征量。
Through a systematical analysis of supply chains, their basic structure models are summarized, and the characteristic quantities of their reliability are analyzed.
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