方法：对项目点北碚区进行抽样调查。
The application of sample survey method in history research is analyzed.
位于重庆市北碚区，龙凤溪河南岸的毛背沱滑坡，体积约73。
Maobeituo landslide lies in the slope of southern bank of Longfeng Stream in Beibei District, Chongqing City with a volume of about 73.
重庆信来机械有限公司位于北碚区歇马镇至沙坪坝区回龙坝镇中途西溪桥侧。
Chongqing Xinlai Mechanical Co., Ltd is located near Xixi Bridge, Huilongba Town, in Shapingba District.
重庆立千仞机械有限公司，位于重庆北碚区静观工业园，生产各类摩托车配件。
Chongqing Liqianren Manufacture Co., Ltd. is located in Beibei Jingguan Inudstry park, produce all kinds of motorcycle parts.
对重庆市北碚区的21个坡面泥石流的实地调查表明，坡度对坡面泥石流发生具有重要的控制性作用。
The investigations on 21 debris flows on mountain slope in Beibei District, Chongqing makes clearly that gradients are very important to debris flow on mountain slope.
结论北碚区农村饮水安全工程水质质量2009年较2008年有大幅提高，但总体合格率仍然很低。
Conclusion By comparison of water quality indicators in the rural area of Beibei in 2008, the water quality was improved greatly in 2009, but the overall qualified rate was still low.
通过以重庆市万州区、北碚区、酉阳县为研究样点，剖析了其土地利用动态度、土地利用程度和景观结构的变化情况。
Taking Wanzhou, Beibei and Youyang of Chongqing as the example, this paper analyzes the changes in land use dynamic degree, land use degree index and landscape structure.
通过以重庆市万州区、北碚区、酉阳县为研究样点，剖析了其土地利用动态度、土地利用程度和景观结构的变化情况。
Taking Wanzhou, Beibei and Youyang of Chongqing as the example, this paper analyzes the changes in land use dynamic degree, land use degree index and landscape structure.
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