这个程序可以实现牛顿环(Newton s rings)的演示, 其中可调参数包括波长, 透镜曲率半径及最低点空气缝隙的厚度.参数的调节是通过欢快实现的,其中颜色 随波长近似的变化. 本程序可以增进读者对牛顿环的理解.-this procedure can be achieved Newton Central (Newton's rings) demonstration. with adjustable parameters including wavelength, lens c

描述不同波长时吸收系数随波数的变化曲线，表明吸收谱线的特性-Descr iption of different wavelengths curves of absorption coefficient with wave number, indicating that the characteristics of absorption lines