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阳光直射和斜射的两幅图一地太阳高度的高低对当地获得太阳光热的多少影响极大 ,这是讲清地球季节变化的一个重要问题。对初一刚入学的学生 ,可在他们小学学过的太阳高度测量知识的基础上 ,加以诱导来说明。人教社编著的九年义务教育五年制小学自然课本第八册提到“太阳高度用
The direct and oblique solar radiation of the two maps has a great influence on the local solar heat gain. This is an important issue that explains the seasonal changes of the earth. Students who have just entered school on the first day can be induced to explain it based on the knowledge of solar heights they have learned in primary school. Nine-year Compulsory Education for Five-Year Compulsory Education Prepared by the People’s Education Society