1·Additional trace relationships can be set up between other levels, such as features to stakeholder requests, supplementary requirements traced to features, and requirements to XDE model artifacts.
可以在其他级别上设计额外的跟踪关系，例如从特性到相关者请求、跟踪的辅助需求到特性、需求到xde模型工件等跟踪关系。
2·The goal is not to abandon all the programming that already serves you well, but to learn a few supplementary techniques that offer immediate payoff.
使用这些代码的目的不是要抛弃现有的正常运作的编程方法，而是要学习一些辅助技巧，使用这些技巧可取得立杆见影的效果。
3·Word documents used for recording requirements provide context or supplementary requirement information.
用于记录需求的Word文档提供环境或辅助的需求信息。
4·Read more about the content of textbooks and supplementary materials or other useful books, in order to expand knowledge, rich vocabulary of professional help to understand the science curriculum.
多阅读与教科书内容有关的辅助材料或其他有益书籍，以扩大知识面，丰富专业词汇，帮助理解所学课程。
5·Advanced warning of restricted headroom may be given by a restricted headroom ahead warning sign with a supplementary plate showing the distance to the restriction.
前面有通行高度限制的警告标志，用以预先警告驾驶人，并有辅助标志牌，说明限制生效的地点距离有多远。