1, comprehensive knowledge coverage: Dr. Wu's book comprehensively and systematically combs and summarizes the knowledge points of ruler drawing in college entrance examination mathematics, which can let readers have a deeper and more comprehensive understanding of this knowledge point.

2. Strong practicability: Dr. Wu's book not only focuses on the basic drawing methods of rulers and rulers, but also combines various examples and exercises to help readers further understand and master the drawing skills of rulers and rulers.

3. The style is concise and easy to understand: the language in the book is concise and easy to understand, which helps readers to grasp the key points and quickly grasp the knowledge points.