This allows you to effectively back and forwardtrace on every event that was in flight at a given time period. If you can't quite wrap your head around that, here's the command.
这样允许您有效地来回跟踪在给定的时间段内发生的每个事件。
2
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。
3
We cannot trace having received your instructions. Please forward relative copies with reference to this letter.