借助第二课堂　测算地理坐标韦干文在教学中经常遇到一些抽象的概念，即使老师费了许多口舌，但学生依然似懂非懂，难以理解。而借助实验实习开展二课堂活动，既能加深学生的理解，又能满足学生的求知欲，使教学效果得到不断提高。当讲到《地球公转和季节变化》一节时，太... Using the Second Class to Measure Geographical Coordinates Wei Ganwen often encounters some abstract concepts in teaching. Even though the teacher spends a lot of speech, the students still seem to understand and understand. With the help of an experimental internship to carry out the activities of the second class, students can not only deepen their understanding, but also satisfy the students’ desire for curiosity so that the teaching effect can be continuously improved. When it comes to the section “Earth revolution and seasonal changes”, too...