The paper describes symbolic structure of word of program language with regular grammar and regular expression, constructs converted-state chart to identify word symbol.

用正规文法和正规表达式描述了程序语言的单词符号的结构，用状态转换图构造了识别单词符号。

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Some symbolic links are present, which link devices to their parents. The hierarchical structure was touched upon above.

也会有一些符号链接，它们把设备链到上级设备那里，级联结构已在上面说明了。

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His decision in 2009 to take France back into the military command structure of NATO after more than 40 years was of more than symbolic significance.

他在2009年作出的法国在四十多年后重返北约军事指挥框架的决定不仅仅只具有象征意义。

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Visitors will get a glimpse into the home of the future in a Sharp smart house composed of proprietary see-through solar modules set up as a symbolic structure of the booth.

ENGADGET: Sharp 'Moth Eye' LCD Panel demo shows off future HDTVs with less glare

And though paleoanthropologists are coming around to the view that Neanderthals developed sophisticated ways to communicate, including some form of spoken language, they may have lacked the rich vocabulary or symbolic structure we take for granted today.

WSJ: Neanderthals: Why Us and Not Them?