Fresh water from the Parana and Uruguay rivers collides with salt water from the South Atlantic Ocean in the muddy estuary of Rio DE la Plata.

巴拉那河和乌拉圭河的淡水与来自南大西洋的海水在拉普拉塔泥泞的河口相互碰撞着。

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So it is very important to study on the mixing of salt-fresh water and saltwater intrusion in Changjiang Estuary.

因此研究长江口盐淡水混合、盐水入侵情况有着及其重要的理论意义和实用价值。

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