Electric power construction enterprise cost manage in building site;
电力施工企业工地成本管理
Field investigations were carried out to assess quantitatively the effect of laser controlled leveling quality on some irrigation parameters, such as total water use, and economic factors, including the cost of leveling, water charge and crop yield.
根据激光控制土地精平试验结果和不同田面平整精度处理下的田间畦灌对比试验数据 ,对激光控制平地成本费用和节水增产效果进行分析 ,完成激光控制平地方法的经济可行性分析。
From the judgment,on the basis of analysis of the impact of population distribution from the natural environment of terrain,altitude,hydro-thermal condition,land supporting capacity and environmental changes,the article puts forward that geographical cost is one of the primary factors in impacting population distribution.
以这一判断为出发点,本文在从传统角度分析地形海拔、水热条件、土地供养能力等地理环境要素以及地理环境变迁等对人口分布影响的基础上,提出地理成本是影响人口分布的重要因素之一,并从地理成本角度分析了其对个人行为方向选择、资本投资方向选择等的约束性作用及进一步对人口分布的影响,接着又从区域发展角度分析了地理成本对自然地理环境条件较差地域地方政府的刚性发展约束以及这种条件下形成对区域人口外迁的影响。
Public Service,Factors Fluxion and Factor s Spatial Distribution: Balance Analysis of Local Transaction Costs;
地方公共服务、要素流动与要素空间配置——基于本地交易成本的均衡分析