This paper uses the method of the minimum two multiplication of the curve matches ,to acquire the density of the unknown cane sugar in the rotation light experment.

• 本文用曲线拟合的最小二乘法求旋光实验中未知溶液的浓度,并由这种方法的原理可知,用这种方法求得的数据能够具有最小的误差。