一些最好的培训教材，我得到的鼓乐和编程概念来自这一来源。
Some of the best training materials that I got for drumming and programming concepts came from this source.
论述了教材对中学数学课堂的影响，认为学校教材是学生获取知识的主要来源，有其优点。
The in influence text put on maths classroom teaching is argued , and that the textbooks are the major source to advise acquire knowledge has its advantages .
应用推荐