How are the crowd reading classroom notes

Zhongyi classroom notes synchronized with the teaching materials of the humanities version, the version of the cross-checking study, the original interpretation of the textbook, conducive to the students to master the key points in advance, the study of ideas is clear, each chapter is accompanied by a unit of the summary, the summary of the detailed.

These are the first time I've ever seen a computer that was used in a computerized environment. Knowledge interpretation of the explanation of comprehensive, accurate, thorough, detailed and innovative.