It is disadvantaged for the excavated-in harbor basins water exchange flux which has large water area but only one mouth, and the linked river is a way to exchange the water from basin to the outside.
港池水域面积较大的单口门挖入式港池不利于港池水体与外界的交换，连通河涌是解决港池水体交换方式之一。
It is disadvantaged for the excavated-in harbor basins water exchange flux which has large water area but only one mouth, and the linked fiver is a way to exchange the water from basin to the outside.
港池水域面积较大的单口门挖入式港池不利于港池水体与外界的交换，连通河涌是解决港池水体交换方式之一。
Using magnetic wave technology, the divers found the basin of what used to be the city's harbor and electronically surveyed and charted it, finding palaces and temples.
用磁波仪器，潜水员发现了一个盆地，这个盆地曾经是城市的港口，在他们用电子设备观察它，为它制图时，还发现了宫殿、庙宇。
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