In consideration of the rate of water shortage, total investment, average investment,elasticity modulus of water supply and c.
以现状用水水平下不同水平年的需水量为需水零方案 ,对关中地区规划供水工程进行排列组合 ,得到包括节水在内的 13种备选方案 ,通过对各供水组合方案的缺水率、总投资、单方水投资、供水弹性系数以及综合效益进行分析 ,提出在2 0 2 0年缺水率小于 10 %、单方水投资和总投资相对较小的供水工程配置方案 。
Based on the establishment of a function relationship model between the general investment and GDP, the method of adaptability expectation is adopted in the thesis to forecast GDP and the growth rate of GDP in the coming ten years in China.
货币需求研究是建立货币理论的起点,而货币供应量的大小是影响国民经济能否正常运行的重要因素,文章在深入研究总投资与国内生产总值的基础上,确定了它们之间的函数关系,建立了数学模型,通过各种检验,采用适应性预期的预测方法,对近八年我国的国内生产总值及增长率做出了预测。
Based on the establishment of a function relationship model between the general investment and GDP, the method of adaptability expectation is adopted in the thesis to forecast GDP and the growth rate of GDP in the ten years to come in China.
在建立了总投资与国内生产总值的函数关系模型的基础上 ,在模型通过各种检验的情况下 ,采用适应性预期的预测方法 ,作者估计了未来 10年中国的国内生产总值及增长率 ,并以此为前提 ,计算出 2 1世纪头 10年中国的广义货币供应增长率 ,指出了从货币供给的角度来稳定经济的方法是按单一规则控制货币供应量。
The qualitative analysis on the basis of policy, experience prediction on the basis of the former investigation of environment protection industry and the prediction of the second smooth index are used to predict the total investment of environment protection and the technology equipment market capacity in the next five years.
采用政策上的定性预测、经验预测和二次平滑指数法对我国"十五"期间环保技术装备市场进行了预测,预测的项目为环保总投资和环保技术装备投资。
During a growing season,the total standing crops,total coverage and average heights of plant community,as well as soil physical and chemical characteristics in different grazing units ofstipa baicalensissteppe,Hulunbeir,were compared and analyzed.
在一个生长季内,比较分析了贝加尔针茅草甸草原不同放牧强度地段(非牧段,轻牧段,中牧段和重牧段,以放牛为主)植物群落的总地上现存量、总投影盖度、平均高度和土壤理化性质的变异。