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大海有哪些特点
更新时间: 2020-07-13 00:00:00  

1、 面积辽阔,水域广泛;

2、 水深,其中包含各类水生生物,含有丰富的营养物和矿物质;

3、 大海里面组成有种类繁多的生物圈、生物网;

4、大海是重要的航海交通的纽带,连接着世界各地;

5、大海有丰富的水资源和人类赖以生存的必要条件。

关键词: 大海 哪些 特点

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