用owl可以指定这些属性的类型，比如主机名是字符串类型，而操作系统则有可能是一个特定选项已经指定的枚举类型。
OWL lets you specify the type of these properties, so hostname would be string, whilst operating system might be an enumeration with specific options specified.
用解析器对基本枚举列表进行验证。
Validation of the base enumeration list is done by the parser.
用解析器验证枚举列表。
虽然枚举可能很有用，但是用结构化属性的方式表示连接点通常更方便。
While enumeration can be useful, it is often more convenient to express join points by means of structural properties.
本文提出用0 - 1整数规划的隐枚举法，求解网络的多中心问题，算法简单，容易实现。
In this paper, the problem of multi-centres in a network is solved using implicit enumeration method for 0-1 integer programming. The algorithm is simple and can be easily realized.
用数学规划方法研究主动控制力（简称控制力）在被控结构上的最优位置，把它视为广义0-1规划问题，用隐枚举法求解；
A mathematical programming method is developed, by considerina the optimal placement of active control forces as a generalized0-1programming problem and solving it by implicit enumeration.
即使将整数、布尔值或枚举值用引号括起来，其周围的任何前导或尾随空格也将被忽略。
Any leading or trailing Spaces around integer, Boolean, or enumerated values are ignored, even if enclosed in quotes.
如果值不存在，则此用例等效于枚举用例。
If values are not present, the case is equivalent to an enumeration case.
用给定枚举器指定的序列替换受控序列。
Replaces the controlled sequence with the sequence that is designated by the given enumerator.
用给定枚举器指定的序列替换受控序列。
Replaces the controlled sequence with the sequence that is designated by the given enumerator.
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