雪崩的监测研究综述
汶林科, 贾靖, 姚檀栋

A review of study on snow avalanches monitoring
Linke WEN, Jing JIA, Tandong YAO
图4 各种雪体试验
Fig. 4 Snowpack tests: hand shear test (a); rutschblock test (b); extended column test (c); shear frame test (d)