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4 不同次级坑直径、次级坑分布距离下与次级坑数量占比的关系 |
Fig.4 Relationship of secondary crater number with different secondary crater diameter and distance |
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