littoral zone造句怎麼寫
- 造句
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a region including the bottom of the sea and the littoral zones.
Most navigable waterways require dredging because of siltation. This is true when navigation channels penetrate through the littoral zone.
Muddy coast is widely distributed in Tianjin littoral zone.
The distributions have a close relation with bed rock property, littoral zone types, geography, water systems, hydraulic conditions and bed property of sea bottom.
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