The paper discusses four aspects of customer satisfaction methodology: operational definition, modeling approach, algorithms for the estimation of SEM, validity of measurement.

顾客满意理论研究方法有四个方面内容：构念的定义方式，建模方法，模型估计方法和测量的效度。

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This approach is foreign trade enterprise search engine marketing (trade SEM).

这种方式就是外贸企业搜索引擎营销(外贸sem)。

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The results showed the combination of SEM and XPS was a very good approach for studying the appearance and structure of the coating.

结果表明：SEM和XPS相结合应用于涂层分析，可以很好地获得涂层形貌和结构的信息。

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Five months ago, a large geographically focused opportunity presented itself, and we decided to rethink our entire approach to the sales process from top to bottom, including the use of search engine marketing (SEM).

FORBES: Using Search and Social Strategically to Win New Business