“主视图、左视图、俯视图”是苏科版《数学》七年级上册第五章第4节的教学内容.多年的教学实践表明,部分教师对该内容的教材理解不到位,导致教与学存在诸多困惑.一个偶然的机会,笔者接触到VR技术.VR技术即虚拟现实(Virtual Reality,简称VR;又译作灵境、幻真),是近年来出现的高新技术,也称灵境技术或人工环境.虚拟现实是利用电脑模拟产生一个三度空间的 "Years of teaching practice shows that some teachers do not understand the teaching material of the content is not in place, leading to teaching There is a lot of confusion and learning.A chance by chance, I came into contact with the VR technology.VR technology is the virtual reality (Virtual Reality, referred to as VR; also translated as Ling environment, illusion), is the emergence of high-tech in recent years, also known as Ling technology or Artificial environment Virtual reality is the use of computer simulation to produce a three-dimensional space