三个子

To answer the research question, three subquestions are devised.

为了回答研究问题，设计了三个子问题。

The element has three child elements, each of which is a element.

元素有三个子元素，都是元素。

The following illustration shows the relationship among the three subunits.

下图显示这三个子单元之间的关系。

The first three sub-tasks in the process, as listed in Figure 1

如图 1 所示，流程中的前三个子任务分别是

Unity automatically creates three sub-folders in your Project folder.

统一自动创建三个子文件夹在您的项目文件夹。