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.
我们也已经向你说明，你要做的就是向下挖掘到足够深度，星球就会给你热量。
We also have indicated that all you have to do is dig down deep enough and the planet will give you heat.
巴克尔和同事们弄清楚了，这些散落于地的木头化石来自一片被河流严重侵蚀的斜坡。他们在斜坡上向下挖掘，找到了更多的木头，还有树叶和心皮。
When Barker and colleagues found where the scattered logs were coming from-a slope that had been eroded by a river-they dug in and found many more logs, as well as leaves and seedpods.
为了得到水，挖掘井时，必须向下一直到挖到地下水位。
In order to provide water, a well must be dug down to the water table.
数据挖掘结合自顶向下分析技巧和自底向上分析技巧。
Data mining can combine top-down analysis techniques with bottom-up analysis techniques.
数据挖掘结合自顶向下分析技巧和自底向上分析技巧。
Data mining can combine top-down analysis techniques with bottom-up analysis techniques.
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