Applying digital school to design the geometr y cur r iculum and exper iments in teaching .
运用数位学校设计制作国小几何课程及实验教学。
In this paper the author uses capps model system to make simulation exper iments . It aims at studying the influence of dustpan shaped ferrain on dilution and dif fusion of main pollutants such as so2 , no x and pm10in taiyuan city und er the control of different circulations .