论冰川颤痕
王乃昂, 刘啸, 程弘毅, 牛震敏, 孟楠, 李孟, 苏贤保, 杨丹

On glacial chatter mark
Nai’ang WANG, Xiao LIU, Hongyi CHENG, Zhenmin NIU, Nan MENG, Meng LI, Xianbao SU, Dan YANG
图9 颤痕间距的频率分布
Fig. 9 Frequency distribution histogram of the spacing of crescentic gouges (a), crescentic fractures (b), crescentic scars (c) and combination of the three above (d)