1·Punctuation symbols must be recognized and properly interpreted.
必须正确认识和理解标点符号。
2·How can we split documents up into individual words and punctuation symbols, so we can carry out the same kinds of analysis we did with text corpora in earlier chapters?
我们如何把文档分割成单独的文字和标点符号，这样我们可以执行与上一章中文本预料库相同的分析？
3·The set of punctuation and symbols substitute for other members of the set, even if the search term is enclosed in double quotes, or the punctuation is escaped, as shown in Listing 25.
标点和符号集是用来替换其他字符的，即使搜索词汇是包含在双引号中，或者标点符号被转义了，如清单25所示。
4·A scanner reads in the individual characters of a buffer and returns symbols (called tokens) that the parser will understand — such as keywords, operators, and language-specific punctuation.
扫描程序读取缓冲中的单个字符并返回解析器能理解的记号(称做标记)——如关键字、操作符及针对特定语言的标点符号。
5·Stylistically, the IBM/mainframe roots of Rexx show in its case-insensitive commands; and to a lesser degree in the relative sparsity of punctuation it uses (preferring keywords to symbols).
在文体上，Rexx 的 IBM/mainframe 根源体现在它对命令的大小写敏感；在某种次要程度上也体现在它使用标点符号相对较少 （更多用关键字而不是符号）。
6·The alternate attribute controls the handling of variable characters in the UCA: white space, punctuation marks, and symbols.
替代属性控制对uca中的可变字符的处理：空白、标点和符号。
7·Scholarly support includes important editorial punctuation marks, as well as the Carian, Lycian, and Lydian scripts, and the Phaistos disc symbols.
学术支持包括重要的编辑标点符号，以及Carian, Lycian, and Lydian文字，和Phaistos磁盘符号。
8·Android's letter keyboard to its number and symbol keyboard, hold down the period key to see commonly used punctuation marks and symbols.
为了免却从安卓的字母键盘切换到数字与符号键盘的麻烦，按下点号键便可看见常用的标点与其他符号。
9·They use graphic symbols to express feelings, combining English letters, punctuation, numbers or geometrical figures into a novel language form. They have various figures of speech filled with humor.
它利用图形符号表情达意，把英文字母、标点符号、数字、几何图形等拼贴成文符并用的新奇的语言形式；