通常，波长较短传播较慢—但是破坏性要大的多—的S波会随之而来。 通过这两种波到达时间的差值可以估算震中的距离。
type of waves can be used to estimate distance to the epicenter.
虽然测试工程师不能估算总的项目成本，但是他们的确可以评估对成本的测试贡献，并且提出测试风险和可行性。
While test engineers cannot estimate total project cost, they can certainly estimate testing contribution to cost, and suggest test risks and feasibility.
这种类型的估算的表述可以是概括性的，也可以是非常详尽的。
This type of estimate can be presented in summary form or in detail.
并以厚度资料为基础，因而几乎可以估算所有情况下的地层剥蚀厚度，具有广泛的适应性。
Based on the thickness data, the strata erosion thickness has been calculated almost in all instances with the far ranging adaptability.
改进算法不仅能减少搜索的盲目性，提高命中率，而且可以用于估算网格工作流执行时间。
It can not only reduce the searching blindness and improve success rate of search, but also can be used to estimate the execution time of a Grid workflow.
改进算法不仅能减少搜索的盲目性，提高命中率，而且可以用于估算网格工作流执行时间。
It can not only reduce the searching blindness and improve success rate of search, but also can be used to estimate the execution time of a Grid workflow.
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