| 1. | Displays the previous topic in the table of contents
显示目录中的前一主题。 |
| 2. | To add next and previous topic buttons to the toolbar
在工具栏中添加“下一个主题”和“上一个主题”按钮 |
| 3. | Move back to the previous topic . .
移回上一主题. . |
| 4. | Next topic and previous topic
“上一个主题” |
| 5. | View previous topics
.论题档案 |
| 6. | Examples in previous topics in this section have only been concerned with finding chapter headings
本节前面的主题中的示例只涉及章节标题查找。 |
| 7. | Many topics rely upon the understanding of a feature or concept that was introduced in a previous topic in the sequence
许多主题依赖于对前面的主题所介绍的功能或概念的理解。 |
| 8. | The comprehensive project handbook includes a full explanation of the steps students take to complete their projects , as well as a sample of previous topics
全面的专题手册包括学生完成课题方案的详细步骤说明以及以往主题的样本。 |
