从汇总表,他们可以选择打算进一步向下挖掘查看更多细节的维度。
From the summary table, they can then pick the dimensions that they want to drill down into and see more detail.
实验证明,与现有的自顶向下挖掘算法相比,该算法是快速而有效的。
Comparing with presented top-down mining algorithms, the experiments indicate that it is fast and efficient.
这就意味着要得到足够热的水来使蒸汽上升,你就不得不把井向下挖掘几千米。
This means that to get water hot enough to raise steam, you have to drill down several kilometres.
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