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如何评价河流的航运价值?
更新时间: 2021-02-16 16:24:28  

1、看河流径流量。降水多,河的径流量大,航运价值高 降水季节差异少,河的径流量稳定,航运价值高。

2、看地形是否平坦。地形平坦,水流平稳,航运价值高。

3、看结冰期的长短 结冰期长,航运价值低。

4、看流域内经济是否发达人口密集,工农业发达,航运需求 量大,航运价值就高,反之,航运 价值低。亚马孙河流域,过于湿热,人口稀 少,经济落后,运输需求量少。

关键词: 如何 评价 河流 航运 价值

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