Taking 17 cities as the basic research samples,an evaluative index system of the overall development of the regional economies was built. The level of regional economic development and evolvement characteristics of of spatial pattern in Shandong Province since 1995 were studied,and some suggestions were put forward by using entropy value method,weighted sum,standard deviation and coefficient of variation. The results showed that:the development of economy in Shandong Province was influenced by both economic and sustainable fac-tors. With the economic level of all the regions enhancing unceasingly,the imbalance of spatial distribution a-mong regional economies still exists. The stepwise economic layout from west to east is strengthened further. Coastal areas have intensive economies,and the degree of internal economic disparities is expanding. The pat-tern of "One Body and Two Wings" with an axis called Jiaoji-Qingrong Line is prominent,and the economic layout of"higher in the north and lower in the south" is increasing significant. Accordingly,it is still an impor-tant task of economic development to ease the regional difference problem. A role of diffusion in the economic agglomeration areas should be played appropriately with the regional economic ties to be strengthened,the abil-ity of regional economic innovation to be improved,the construction of ecological civilization to be enhanced and the sustainable development of regional economy to be promoted.%以17个地级市为基本研究单元，构建了区域经济综合发展评价指标体系；运用熵值法、加权求和以及标准差和变异系数，对1995年以来山东省区域经济发展水平及其空间格局演变特征进行了研究，并提出了建议。结果表明：经济因素和可持续因素对山东省区域经济发展均有影响；各地区经济发展水平不断提高，区域经济分布不均衡问题仍明显存在；自西向东阶梯式的经济布局进一步强化；环海地区经济密集，内部经济差异程度扩大；以胶济—青荣线为轴的“一体两翼”格局凸显，经济布局“北高南低”日益显著。因此，缓解区域差异问题仍是经济发展的重要任务，要适当发挥经济集聚区扩散作用，加强地区间经济联系，提高区域经济创新力，加强生态文明建设，推动区域经济可持续发展。
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