科学家们认为，当撞击盆地被沉积物所填满，而沉积物周围的部分逐渐被侵蚀殆尽时，就会形成了类似这样的颠倒陨石坑。

Scientists think such inverted craters form when an impact basin fills with sediment and the material around that sediment gets eroded away.

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松辽盆地的现今东部边界是构造侵蚀边界。

Today the boundary of Songliao basin is structure erodent borderline.

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峡谷东段拉吉玛、罗汉堂地区已进行溯源侵蚀，水体向东流向贵得盆地。

The east part of Longyang Gorge in Lajima and Luohantang area had been eroded to source, the fluid flowed to the Guide basin.

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