专业书 meaning in Chinese

fachbuch das ..er
fachbuch, das; ..er

Professional class , every school and every school has the difference of appreciably , suggest you go looking on the website of each schools , enter graduate student office , can see the demand of their recruit students general rules and professional book
专业课,每个学校和每个学校都有略微的差别,建议你去各个学校的网站上看看,进入研究生处,就可以看到他们的招生简章和专业书的要求了