Not every string is valid Rexx symbol — which restricts the keys in the dictionary — but Rexx is pretty liberal about its symbol names, compared to most languages. E.g.
不是每一个字符串都是合法的rexx符号——为限制程序库中的关键字——但是相对于大部分语言，Rexx在符号命名方面非常自由。
Phonetic Symbol, elementary vocabulary, a perfect contemporary dictionary and a common grammar book.
音标，基本词汇，一个完美的现代字典，一本基本的语法书。
Of the structure of the main dictionary, the controlling symbol and the character symbol were mainly introduced.
在主词典的结构中，重点介绍了控制符和特征字。
Of the structure of the main dictionary, the controlling symbol and the character symbol were mainly introduced.
在主词典的结构中，重点介绍了控制符和特征字。
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