According to recent studies, digital divide has been caused by three major elements: class, sex, and generation.
根据最近的研究，数字鸿沟是由阶级、性别和代际这三个主要因素造成的。
Figure 3 shows two of the three major classes of tools that are available for creating SoaML elements by drawing.
图3显示了可用于绘制SoaML元素三个主要工具类型的其中两个。
A service is defined in Indigo as a program exposing a collection of endpoints, with each endpoint defined as a combination of three major elements 5
Indigo将服务定义为暴露一组端点（endpoint）的程序，每个端点是3个主要元素的组合 5
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