下面将通过2.2.2中(表2-1)的例子来说明什么是条件模式库(conditional pattern base)、条件模式树(conditional FP-tree)和如何挖掘产生频繁集。
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Unicode字符集、模式内任意代码操作、flag toggles、条件表达式以及其他特征都被添加到正则表达式库中。
Unicode character class specifiers, arbitrary code execution inside a pattern, flag toggles, conditional expressions, and many other features were added to the regular expression engine.
在应用范围受限的条件下，提出了主要以自然语言中的关键词构造模式库来映射查询语句的思想方法；
On the condition of limited application range, we proposed a method for mapping the natural language to SQL query language, which is based on the pattern recognition.
本文根据现代战场条件下雷达工作模式复杂多变的特点 ，提出了电磁环境仿真中多种雷达数据库的模型 ，实现了雷达数据库维护软件的设计。
The radar signal environment near the space plate is simulated and counted by computer through the establishment of ground radar database in this paper.
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