月球哥白尼纪次级坑的形态特征及其空间分布 |
张珂, 刘建忠, 程维明 |
Morphological features and spatial distribution of the lunar Copernican secondary craters |
Ke ZHANG, Jianzhong LIU, Weiming CHENG |
图2 5个典型哥白尼纪撞击坑次级坑界限范围内的次级坑分布 |
Fig.2 Secondary crater distribution in the distribute range of the secondary craters about the five Copernican primary craters |
![]() |