All in all, this study of Chinese slogan of the status quo and to improve the language symbol system, optimizing the dissemination of results outside slogans provide a reference.
总而言之，本文研究中国口号标语的现状，并为改善该语言符号系统、优化户外标语口号传播效果提供参考。
2
The definition of a global symbol that is not explicitly available for reference by modules linked with the module in which the definition occurs.
一种全局符号定义，它不能被与定义该全局符号的模块相链接的其它模块直接引用。
3
You can also reference associative array variables that are assigned from PHP by specifying the key after the '. '(period) symbol.