在某些名词的定义中，绝对性的不可能性本身就增加了它们可能达到的内涵层次。
The very impossibility of absoluteness in the definition of certain nouns adds to the levels of connotation they may reach.
RUP提出：参考体系结构应当按照不同层次的抽象，或者作为“视图”来定义，因此在使用时能够提供更多的适应性。
The RUP suggests that a reference architecture should be defined along different levels of abstraction, or "views," thereby providing more flexibility in how it can be used.
为了支持这些原则，OMG已经定义了一系列的层次和转换，他们为MDA提供了概念性的框架和词汇表。
To support these principles, the OMG has defined a specific set of layers and transformations that provide a conceptual framework and vocabulary for MDA.
对于第二个策略(每个类层次结构一个表)，您必须用检测约束定义您自己的完整性。
For our second strategy (one table per class hierarchy), you'll have to define your integrity using check constraints.
此列是定义层次结构的唯一性元素的索引。
This column is the index that defines the unique elements of the hierarchy.
分隔层次为三层的住宅提供了一定的私密性，在促进一种定义感的同时，不在内部墙壁、走廊或门上浪费宝贵的空间。
Split levels provide visual privacy to the three-storey property, while promoting a sense of definition without wasting precious space on internal walls, corridors or doors.
该文将流动单元定义为具有相同渗流特征的同一储层单元，并认为流动单元具有相对性、层次性和规模性。
The flow unit is defined as the same reservoir unit with identical seepage features, and it is considered that the flow unit is relative and in some level and scale.
室外表现出半透明的屏幕，使人们在半遮半掩中享受不同层次的曝光度，设计因此巧妙地改变人们对透明性的定义。
With an exterior translucent screen projecting varying degrees of visibility, the structure prompted visitors to shift their perception of what defines transparency.
室外表现出半透明的屏幕，使人们在半遮半掩中享受不同层次的曝光度，设计因此巧妙地改变人们对透明性的定义。
With an exterior translucent screen projecting varying degrees of visibility, the structure prompted visitors to shift their perception of what defines transparency.
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