A trace relationship between the original requirement and the branch requirement can help you stay in touch with changes that are made to requirements by other teams.
原始需求与分支需求之间的追溯关系，可以帮助您对其他团队对需求所做的变更能保持一致。
One mechanism that can be used is to establish a trace relationship between the original and the branch requirement (Figure 13. Tracking original and branch requirement by trace relationship).
可以使用的另一种机制，就是创建原始需求与分支需求之间的追溯关系(图13，“通过追溯关系来追踪原始的和已分支的需求”)。
Documentation is established for what the origin of the branch requirement is (the direction of the trace relationship could be from the original to the branch requirement).
有一些文档是为分支需求的起源而建立起来(追溯关系的方向，可以是从原始的需求到分支之后的需求)。
Trace following and branch identification technology is the key technology for self-direction of vehicle, unmanned drive, trace robot and trace finder.
迹线跟踪和分支识别技术是车辆自动引导、无人驾驶、迹线机器人和寻迹机等应用领域的关键技术。
Of the new branch, research on soil trace gases will play an important part.
土壤痕量气体研究在这一新兴学科中占有相当重要的位置。
Of the new branch, research on soil trace gases will play an important part.
土壤痕量气体研究在这一新兴学科中占有相当重要的位置。
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