传统命题符号理论认为情境模型是组相关命题，是非模式符号系统；
Propositional forms are expressed by symbols, but can prepositional forms be equated with symbolization of propositions?
在DB 2 9.7中，行压缩(也称为深度压缩)通过把跨行重复出现的值模式替换为更短的符号字符串来压缩数据行。
In DB2 9.7, row compression, also referred to as deep compression, compresses data rows by replacing patterns of values that repeat across rows with shorter symbol strings.
表3总结了这里讨论的3种访问模式的符号和八进制表示。
Table 3 summarizes the symbolic and octal representation for the three access modes discussed here.
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