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中文摘要：
基于ArcGIS，用最短时间修正引力模型计算了大连与周边城市的经济联系强度。结果显示：①大连与周边城市经济联系呈明显的等级特征，大连与沈阳的经济联系最强。②大连与周边城市经济联系最强的省份是辽宁和吉林，因此大连的经济联系方向为北部区域，东北地区为大连发展提供了良好的腹地支撑。③大连与环渤海地区城市经济联系强度大体沿逆时针方向逐渐减弱，与东北地区经济联系强度沿哈大线向两侧逐渐减弱。
英文摘要：
Based on the ArcGIS, this paper calculated the economic contact intensity between Dalian and surrounding cities with gravity model which modified under the shortest time. The results showed：①The economic contact intensity between Dalian and surrounding cities presented obvious grade feature ,the economic contact intensity between Dalian and Shenyang was the strongest. ②The intensity that the economic contact between Dalian and Liaoning Province and Jilin Province was the most obvious, thus the direction of economic contact for Dalian was the northern region, and the northeast region provided good supports for the development of Dalian. ③The economic contact intensity between Dalian and the cities of Bohai Coastal Region gradually became weakened in a counterclockwise direction, and the intensity in the northeast region declined from Harbin- Dalian high - speed railway to both sides.
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