举例，命名规范必须与所使用的系统风格保持一致，并在同一项目中统一，比如采用UNIX的全小写加下划线的风格或大小写混排的方式，不要使用大小写与下划线混排的方式，用作特殊标识如标识成员变量或全局变量的m_和g_，其后加上大小写混排的方式是允许的。(For example, naming norms must be consistent with the style of the system used, and unified in the same project, such as the use of style or size UNIX all lowercase underlined write mixed way, do not use uppercase and underline the mixed way, as a special identification mark as member variables and global variables m_ and g_, followed by a sensitive mixed way is allowed.)