In the channel structure model, the market variables play the leading role and the product variables play the supportive role.
在渠道结构模型中，其中市场变量起引导性作用，产品变量起支撑性作用。
First, the structure of helicopter airscrew loading system was introduced, On the basis of single channel loading system's math model, the system's dynamic performance was analyzed.
论文首先介绍了直升机旋翼加载系统的结构，在建立了单通道加载系统的数学模型的基础上，分析了加载系统的动念性能。
Study Rail business opportunity, propose and implement business model, includes channel and price structure according to market feedback.
研究轨道业务机会，提出包括渠道、价格体系等在内的业务方案。
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