风成沉积物3种粒度参数计算方法比较
马茜茜1,2(), 肖建华1, 姚正毅1()
A comparative study on the three calculation methods of grain-size parameters for aeolian sediments
Xixi Ma1,2(), Jianhua Xiao1, Zhengyi Yao1()

图2. 典型样品粒度频率分布曲线

Fig.2. The frequency curves of grain-size for typical samples