分析了甘肃省主要河流的泥沙分布情况，水土流失地区主要分布在黄河流域。

This paper analyzed the sediment distribution in the main rivers in Gansu Province. The areas of water and soil erosion are mainly located in the Yellow river Basin.

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对云南省主要河流、湖泊、水库等地表水的水化学特征及其分布规律进行了分析，简要分析了基本成因和影响因素。

The water chemical characteristics and its distribution rules of the main rivers, lakes and reservoirs in Yunnan province are analyzed, as well as their origins and impact factors.

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这是一条贯穿黑龙江省哈尔滨市的河流（译者注：松花江为黑龙江的主要支流，流域跨越黑龙江、吉林、内蒙古和辽宁四省）。

The river flows through the northern city of Harbin in Heilongjiang province.

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