This query starts at a context element and follows all trace relationships in the forward direction to discover all elements in higher levels of abstraction.
这个查询是从一个上下文元素开始的，并遵照向前方向的即时跟踪关系从而发现更高抽象层的同一水平的元素。
2
This query starts at a context element and follows all dependencies in the forward direction to discover all elements that are suppliers of this element.
这个查询是从一个上下文元素开始的，并遵循一致方向的即时依存关系发现这些元素的即时提供者。
3
This query starts at a context element and follows immediate dependencies in the forward direction to discover elements that are immediate suppliers of this element.