The first generation of e-commerce sites, which hit the web in the late 1990s, were essentially digitised mail-order catalogues.

在上个世纪90年代末出现的第一代电子商务网站，仅仅是电子化的邮购目录。

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Arrange the rows in the decreasing order of importance of the causes, i. e. the most important cause first.

用横坐标表示重要性渐减的事情，也就是，最重要的事情排第一。

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This paper puts forward a new MRACS method using low order model, i. e. the fourth order hydraulic servo system following the first order reference model.

本文把液压伺服系统作四阶系统，跟随一阶参考模型，提出了一种新的高阶对象和低阶模型的MRACS 的方法。

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It also contains a case study about the first e-waste day in Cook Islands, and describes activities for the news room to carry out in order to increase the understanding of the issue and to explore different story ideas.

UNESCO: MEDIA SERVICES