一部很好的学习Verilog HDL语言的书。包含：基本语法、不同抽象级别的Verilog HDL模型 、基本运算逻辑和它们的Verilog HDL模型 等。-A good book to learn Verilog HDL language. Include: basic syntax, different levels of abstraction of Verilog HDL models and their basic arithmetic logic Verilog HDL model