eno interactive whiteboard. Components: Zhu Ziqing's photo belongs to the image component. The text introduction of Zhu Ziqing's life belongs to the text component. The recited document of Zhu Ziqing's related articles belongs to the audio component. These components depict Zhu Ziqing's knowledge point from different angles. In addition, there are template resources in the component library, including various teaching modes and courseware templates obtained through analysis and research of teaching theory, teaching strategies and models. Teachers can easily call template resources from the component library and add courseware content. Create resources that meet the characteristics of individual teaching. In addition, the teacher can index and store other basic materials collected by the individual into the component library, so that the teacher is not only the resource user but also the resource builder.. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.