To increase coverage, this land-line sample was supplemented by respondents reached through random dialing of cellphone numbers. The two samples were then combined.
为了增加覆盖率，除了陆上电话局抽取的样本外，调查者还随意拨打了一些手机号，并把两种样本结合起来统计。
The paper take the land suitability appraise of Qionghai as a sample, using the method that combine the cloud theory and the rough theory.
以对琼海市土地适宜性评价为例，引用了粗糙集理论和云理论相结合的方法。
After putting forward the system of influencing factors on urban land price, the paper takes Jiangsu Province as the research sample.
研究结果：提出了城市土地价格影响因素体系，并以江苏省为例进行实证研究。
应用推荐