This leads to a requirement for performing maintenance on a subset of table data instead of the entire table in order to reduce operating time and avoid unnecessary operations on static data.
那么就需要对表数据的子集而不是整个表执行维护操作，来减少操作时间，并避免对静态数据进行不必要的操作。
If the current item is in ascending order, we then have only a subset of the problem left to solve — whether or not the rest of the list is in ascending order.
如果当前项是升序的，那么我们接下来只需要解决问题的一个子集——列表的其余部分是否为升序。
The enumerator will iterate over all of the records (or only a subset, if an optional record filter has been supplied) in an order determined by a record comparator.
枚举器将以记录比较器确定的顺序迭代所有记录(或者如果提供了一个可选的记录过滤器，那么只是一个子集)。
When all the lines have been filtered in this way, unique_lines will contain only the unique subset of them, in the order in which they were first encountered.
当所有的代码已经按这种方法过滤了一遍之后，unique_lines将会只会包含它们中唯一的子集，按照遇见的先后顺序排列。
The unique identifier column defines the subset of "TTTTMMMCCSSSSS" that is required in order to generate a unique identifier for the system.
唯一标识符列定义了系统生成唯一标识符所需的“TTTTMMMCCSSSSS”的子集。
It may in particular be an order of decreasing importance determined as a function of at least the coded parameters of the first subset.
特别地，它可以是按照重要性由高到低的顺序，这是由至少第一子集的编码参数功能决定的。
During the preprocessing of classification, it is important to select feature subset effectively, in order to classification learning and predicting.
在分类挖掘的预处理过程中，重要的是如何选择最有效的特征子集，以便于分类学习与预测。
Description logic is a formal language for representing knowledge and it is a decidable subset of first-order logic.
描述逻辑是一种知识表示的形式化语言，是一阶逻辑的可判定子集。
Description Logics (DLs) is a decidable subset of first-order predication logic which possesses powerful function of knowledge expressing and reasoning.
描述逻辑是一阶谓词逻辑的可判定子集，具备强大的知识表示和推理功能。
Description Logics (DLs) is a decidable subset of first-order predication logic which possesses powerful function of knowledge expressing and reasoning.
描述逻辑是一阶谓词逻辑的可判定子集，具备强大的知识表示和推理功能。
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