嘉陵江流域水土流失日趋严重，已成为农业生态环境最突出的问题。
The situation of water and soil loss in Jialing River catchment is becoming a vital problem of agri-ecology.
此文以为，洪化元年应为1679年，即康熙十八年，该年嘉陵江流域没有发生过特大洪水。
In this paper, the writer thinks that the first year of Honghua should be 1679, the eighteenth year of Kangxi in which no big flood had happened in the Jialing River Bain.
基于大量实测资料，用经验统计方法研究了人类活动和降水变化对嘉陵江流域侵蚀产沙的影响。
Based on hydrometric and meteorological dada, effect of human activities and precipitation on sediment yield of the Jialingjiang River basin has been evaluated by using empirical statistical approach.
基于大量实测资料，用经验统计方法研究了人类活动和降水变化对嘉陵江流域侵蚀产沙的影响。
Based on hydrometric and meteorological dada, effect of human activities and precipitation on sediment yield of the Jialingjiang River basin has been evaluated by using empirical statistical approach.
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