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云南省盈江县城位于东经97°55′59″,北纬24°42′38″。气候属南亚热带季风气候,年平均气温19.3℃。最冷月平均气温10.6℃,最热月平均气温24.7℃。年平均相对湿度80％。全年无霜期长达324.4天。年平均降雨量1464mm。本次所调查的7个自然村是该县城郊坝区有代表性的农村。居民主要从事农业和饲养禽畜。经济状况和卫生条件较差
Yingjiang County in Yunnan Province is located at 97 ° 55’59 “east longitude and 24 ° 42’38” north latitude. Climate is a subtropical monsoon climate, the annual average temperature of 19.3 ℃. The coldest month average temperature of 10.6 ℃, the hottest month average temperature of 24.7 ℃. The average annual relative humidity of 80%. Frost-free period throughout the year up to 324.4 days. The average annual rainfall of 1464mm. The seven natural villages investigated this time are the representative rural areas in the suburban area of the county. Residents mainly engaged in agriculture and livestock breeding. Poor economic conditions and health conditions