Regional measurement method includes sediment measurement of rivers, geomorphologic analysis and pedological analysis.

而区域观测法又可分为河流泥沙观测法、地貌研究法和土壤学方法；

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However in some rocky and earthy regions such as Beijing mountain region, traditional measurement method can not get the precise value of sediment concentration.

在以北京土石山区为代表的粗砂多砂区，传统的搅拌方法无法测得准确的含沙量。

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