龙川县

广东省河源市龙川县华支睾吸虫感染现状调查

Current Prevalence of Clonorchis sinensis Infection in Longchuan County of Heyuan City , Guangdong Province

主成分分析方法在县域城镇体系空间布局规划中的应用&以广东省龙川县为例

The Application of Principal Component Analysis in the Planning of Spatial Arrangement of County Town System-With Longchuan County in Guangdong Province as an Example

方法将龙川县人民医院2003~2005年慢性乙型肝炎患者48例，随机分为两组，每组24例。

Methods Forty-eight hepatitis B patients hospitalized in Longchuan County People 's Hospital in 2003 ~ 2005 were randomly divided into treatment group and control group each consisted of 24 cases .

运用主成分分析方法，可确定龙川县县域城镇体系规划中的区域主次中心、城镇经济片区、发展主轴和次轴，还可为行政区划的调整提供依据。

By application of the principal component analysis , we can determine for the county town system in Longchuan County the regional primary and secondary centers , township economic areas , primary and secondary axes of development and carry out adjustment to administrative division , etc.