说明：  本指南的很多信息都围绕Verilog 的句法组织但也有另外一些有关编码标准设计流程错误保留字以及在正文按字母顺序参考部分后面的编译器伪指令系统任务和函数以及命令行选项等特殊的部分
(Much of the information in this guide revolves around Verilog s syntactic organization, but there are also other coding standards that are designed to keep the error flow Words, and the compiler directives behind the body of the alphabetical reference section System tasks and functions, as well as special parts such as command-line options)