Trackers, which are ongoing projects that look at trends or customer satisfaction over a long period of time.

一个正在进行的项目——“追踪者”，在研究很长一段时期内的趋势或客户满意度。

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Trackers, which are ongoing projects that look at trends or customer satisfaction over a long period of time. I then have to analyse the shifts in trends.

一种是监测，也就是对市场倾向或者顾客满意程度进行长期观察，然后对其产生的变化进行分析。

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The study of measuring the customer satisfaction degree for Freeway Traffic Management System (FTMS) has important significance for the socioeconomic impact evaluation of transportation projects.

高速公路交通管理系统用户满意度的测评研究对交通运输项目社会经济影响评价具有重要意义。

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