中国外贸货物出口的地理格局演化及影响因素分析——基于货物出口距离和GTWR模型
李恩康, 陆玉麒, 陈娱

Geographic pattern evolution of China's merchandise export and its influencing factors: Based on the analysis of merchandise export distance and the GTWR model
LI Enkang, LU Yuqi, CHEN Yu
图2 IMEO随时间(t)变化的震荡曲线
Fig. 2 The oscillation curve of IMEO over time