But for some reasons, Japan still possesses Ryukyu until now.

但因种种原因, 至今却仍然据有琉球群岛.

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Melting features along the Ryukyu slab tear , beneath the southwestern Okinawa Trough.

在OkinawaTrough西南之下沿着琉球群岛板层断裂的熔化特征.

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Two subduction zones, the Ryukyu trench and Manila trench, exist in the East Asia continental margin.

东亚大陆边缘自北向南发育了琉球海沟和马尼拉海沟等俯冲带.

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