"Air class" refers to the real-time live broadcast of teachers' videos, voices, courseware and blackboard books by using advanced network information technology and modern communication technology. And vividly moved the lecture process to the internet. There are no special requirements for students. As long as you have access to the Internet, you can join the class and take part in answering questions. A classroom form in which teachers and students interact in real time through audio and video, courseware, etc.

Course: air

Pinyin: kōng zh ng

Meaning: As a place for aircraft activities, the middle is empty, and there are time and space activities, such as "there are big stones flowing in the middle, which can seat hundreds of people, but there are many tricks in the air." Song? Su Shi's Shi Zhongshan can also be used to refer to the spread of radio signals.

Classroom is the place for students to learn, or the main channel for educating people.