关于如何使用可更新编目视图来优化性能的讨论超出了本文的范围。
A more detailed discussion of how to use the updatable catalog views to optimize performance is beyond the scope of this article.
月光下在我目视所见范围内的左右各有一条交错的弹坑一直延伸到黑暗之中，我马上意识到这是一次B - 52轰炸后留下来的痕迹。
I could just see in the moonlight as far to my left and right that I could see a staggered line of craters into the darkness, and then realized this had been a B52 strike.
受管制空域，一个范围明确的空域。在该空域内，仪表飞行规则飞行和目视飞行规则飞行有空中交通管制服务。
CONTROLLED airspace, an airspace of defined dimensions within which air traffic control service is provided to IFR flights and to VFR flights in accordance with the airspace classification.
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