The stupendous changes sweeping across Eastern Europe in the latterpart of 1989 indicate that a bipolar world based on the Yalta system has entereda transitional period to a new multi-polar system.

• 以去年下半年东欧发生的剧烈变化为标志,世界进入了以雅尔塔体系为基础的两极对立的格局向新的多极格局转变的过渡时期。