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We therefore conclude that large primary impacts into a solid surface produce far more secondaries than previously believed, implying that the small crater populations on the Moon, Mars and other large bodies must be dominated by secondaries.

我们相信，当然包括在固体表面上远离secondaris形成的巨大的主要的impacts，在月球、火星或其他大的天体上的众多小火山口必定由secondaris支配。

Founded in 1989, is a wholly foreign-owned enterprises.

公司始建于 1989 年，是一家外商独资的企业。