This query starts at a context element and follows all trace relationships in the reverse direction to discover all elements in lower levels of abstraction.
这个查询是从一个上下文元素开始的，并遵照相反方向的跟踪关系从而发现更低抽象层的同一水平的元素。
2
Reverse engineering and visual trace are additional processes that help teams harvest existing intellectual capital.
逆向工程和可视化跟踪是另外一些帮助团队获得现有智力资产的流程。
3
And, similarly to the LCS algorithm, to obtain S1 'and S2', you trace back from this bottom-right cell, following the Pointers, and build up S1 'and S2' in reverse.