Notice of RetractionResearch on quality guarantee system of practical teaching in higher vocational colleges

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

Practical teaching system is the main content of connotation construction in higher vocational colleges, which must guarantee the quality of practical teaching and establish quality guarantee system of practical teaching in order to promote the development of practical teaching activities, improve the quality of practical teaching and guarantee the connotation construction in higher vocational colleges. This thesis will research on the quality guarantee system of practical teaching in higher vocational colleges, especially on the establishment of external quality assurance system and internal quality guarantee system from connotation construction of quality guarantee system in practical teaching.