通过有计划性的系统了解, 对所收集的资料进行分析, 比较, 归纳和整合, 为课题研究提供知识性的数据支持. For just a case study of the wind farm improvement in the rural region, you could possibly accumulate quantitative facts on employment prices and business profits, acquire qualitative info on area people’s perceptions and ordeals, and review neighborhood and countrywide media protection o... https://onlybookmarkings.com/story12561213/getting-my-%E6%A1%88%E4%BE%8B%E5%88%86%E6%9E%90%E4%BB%A3%E5%86%99-to-work