近代国人对苏俄的认知及其变化——基于民国时期民意调查的分析 The Modern Chinese Understanding of Soviet Russia and the Change of This Understanding——An Analysis Based on the Public Opinion Polls in the Period of the Republic of China 作者：杨天宏;付天星; Author： 收稿日期：年卷（期）页码：2020,228(03): ...