【摘 要】
：
本文选取北京、上海等六个一线城市为对象,选取八个指标作为变量,并运用主成分分析对六个一线城市的经济实力进行了统计分析,得出两个主成分,然后根据各个城市的主成分得分,
论文部分内容阅读
本文选取北京、上海等六个一线城市为对象,选取八个指标作为变量,并运用主成分分析对六个一线城市的经济实力进行了统计分析,得出两个主成分,然后根据各个城市的主成分得分,并结合实际情况,将一线城市进行主成分得分排名,并对结果做出评价分析。
This paper chooses six first-tier cities such as Beijing and Shanghai as the targets, chooses eight indicators as variables, and uses principal component analysis to analyze the economic strength of the six first-tier cities, draws two main components, and then according to each city According to the scores of the main components and the actual situation, the scores of the principal components in the first-tier cities are ranked and the results are evaluated and analyzed.
其他文献
Nuclear incompressibility is an important parameter to depict the nuclear equation of state and plays an important role in understanding diverse phenomena rangi
A Pd/Y diffuser(8 Pd/Y tubes,length 190 mm,i.d.2 mm,thickness 80μm,and surface area 95.5 cm2)was investigated using loading pressure from 103 Pa to 1.2×105 Pa
2012 is a very busy year.With the progress of many projects and scientific activitiesat IMP,more efforts from the ion source group are needed.The following cont
PIG3是PIGs系列基因之一,是p53的转录靶点,在p53表达后短时间内即被激活,并在凋亡过程中发挥作用。已有的对γ辐射诱导细胞PIG3基因表达变化的研究中,PIG3的表达在照后0~24 h
94Zr主要是s过程的产物,正好处于s过程弱成分与主成分之间的重要位置,故93Zr的单中子俘获反应对s过程很重要。此外,锆合金在反应堆中大量使用,93Zr是主要的长寿命裂变产物之
混合所有制,实际上是要解决不同产权之间缔结适应市场需要的契约。缔约就离不开股权定价,为此必须利用公开的、全国性的资本市场,否则还是难以把国企从等级身份制转向市场契
CⅡengineering project involves the design and technical services of a reactor electric power supply system,which responds to the requirement of foreign client.
去年末以来,全国上下开展了一系列围绕“厉行勤俭节约,反对铺张浪费”的活动。通过对近期统计数据的分析,本报告认为这项活动确实遏制了部分不合理消费行为,烟酒、化妆品、花
请下载后查看，本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
强化中少年中长跑训练工作的开展,对于促进其技能的掌握和身体素质水平的提升具有十分重要的作用。因而本文正是基于这一背景,从提升青少年中长跑训练水平的必要性入手,对青