DW的庞大规模也使得更改已有的物理DB设计比较困难，因为这意味着要移动大量的数据（使用导出和导入）。
The size of DWs also makes it more difficult to change existing physical DB design when that means moving lots of data (using export and import).
有些重用的尝试以失败而告终，是因为他们太过雄心勃勃了，为了设计完美的内容而花费大量精力去做大规模的先行设计。
Some efforts fail because they are overly ambitious where lot of big upfront design efforts is spent trying to design things future-perfect.
其中比较有趣的设计特点是三个酒吧格栅与峰样网状装饰，大规模挡泥板弹，独特的投影光束大灯，和大量的铬合金。
Among the more interesting design features are a three bar grille with Denali-like mesh trim, massive fender flares, distinctive projector-beam headlamps, and plenty of chrome accents.
总体方案打破了一般大规模注浆堵水的设计常规，灵活地采用和组合常规技术，在大量节约工程量的前提下，可实现对涌水通道的封堵，形成可靠的止水帷幕。
Breaking with convention of design of blocking water on a large scale by grouting and adopting or combining various conventional techniques flexibly, the overall programme is relatively perfect.
总体方案打破了一般大规模注浆堵水的设计常规，灵活地采用和组合常规技术，在大量节约工程量的前提下，可实现对涌水通道的封堵，形成可靠的止水帷幕。
Breaking with convention of design of blocking water on a large scale by grouting and adopting or combining various conventional techniques flexibly, the overall programme is relatively perfect.
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