...化datageneralization或上卷(roll-up)所谓数据概化是使用概念分层用高层次概念替换低层次原始数据所谓上卷也可称为上钻(drill-up)是通过一个维的概念分层向上攀升或者维规约在数据立方体上聚集数据的概化或上卷可以通过用较高层概念替换较低层的概念来实现这使...
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海上钻井 open water drilling ; offshore contract drilling
海上钻井平台 drilling platform ; sea drilling platform ; marine drilling platform ; Offshore drilling platform
海上钻探装置 offshore drilling rig ; offshore drilling assembly
海上钻机 offshore rig
海上钻探平台 [油气] offshore drilling platform ; offshore drilling structure ; drilling rig at sea
海上钻探钻机 offshore drilling rig
海上钻井装置 offshore drilling rig ; offshore drilling unit
自升式海上钻井船 self-jacking offshore drilling vessel ; offshore jack-up drilling vessel ; jacking offshore drilling vessel
海上钻探 [油气] Offshore drilling
There are association rules and it’s species, multidimensional association rules and its types, data cube and it’s structure, OLAP technique, drill-up, drill-down, and multidimensional data schema of data warehouse.
它包括关联规则和它的种类，多维关联规则及分类，数据立方体和结构，OLAP技术，上钻、下钻和数据仓库的多维数据模型。
参考来源 - 基于数据立方体和钻取技术的多维关联规则挖掘方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
凭着本身强烈的光束，激光可在钻石上钻一个洞，而且可以被很好地控制，因此能用于精密的眼部手术。
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.
利用Dremel工具和小钻头，在塑料外壳上钻一个小孔。
With a Dremel and small bit, make a small hole in the plastic housing.
因为有长钟摆，最初的时钟是放在墙上的搁板上，再在搁板上钻个洞把长钟摆穿过去。
At first this meant that clocks were set on shelves high on the wall with a hole cut in the shelf for the pendulum to hang through.
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