多年冻土工程地质制图的阶梯发展
张中琼, 林芳, 吴青柏, 张泽, 张鹏

Stepwise development of the engineering geological mapping in permafrost regions
Zhongqiong ZHANG, Fang LIN, Qingbai WU, Ze ZHANG, Peng ZHANG
图2 多年冻土工程地质制图研究内容发展阶梯
Fig.2 Development phases for research contents of engineering geological mapping of permafrost