"江宁县"是个多义词，它可以指江宁区,江宁县（南京旧县）。
本试验在江苏省江宁县一个农村进行。
This experiment was made in the countryside of Jiangning county, Jiangsu province.
结果江宁县1991/ 1999血吸虫患者群检出率呈明显下降趋势，然而同期钉螺面积变化呈徘徊态势。
RESULTS The detectable rate of Schistosomiasis in Jiangning County from 1991 to1999 showed an obvious downtrend, but the area of snail distribution lingered on at the same time.
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