Yes With the deepening of the reform of the new history curriculum in middle schools, the new curriculum standard for ordinary high schools (20 17) takes the historical core literacy as the criterion and lists the concept of time and space as one of the indispensable qualities and accomplishments of middle school students today. Therefore, the concept of time and space plays a particularly important role in middle school history teaching. Time-space is a basic concept, which belongs to physics, astronomy, space physics and philosophy.