简单环形山形状好像一个碗,复杂环形山则有一个小山丘在陨坑中间,这个小山丘是由撞击后物质反弹所形成。
The simple crater has a bowl shape. The complex crater has a small hill at the center, which was caused by the rebound of the material at the center.
简单环形山形状好像一个碗,复杂环形山则有一个小山丘在陨坑中间,这个小山丘是由撞击后物质反弹所形成。
The simple crater has a bowl shape. The complex crater has a small hill at the center, which was caused by the rebound of the material at the center.
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