是的，乒乓外交确实给两国关系带来了很大的改善。
这段“乒乓外交”一直被传为佳话。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.53, 'lowest pitch': 8.52, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '段', 'pinyin': 'duan4', 'highest pitch': 9.98, 'lowest pitch': 8.08, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '乒', 'pinyin': 'ping1', 'highest pitch': 10.45, 'lowest pitch': 8.22, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '乓', 'pinyin': 'pang1', 'highest pitch': 10.79, 'lowest pitch': 10.43, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '外', 'pinyin': 'uai4', 'highest pitch': 10.66, 'lowest pitch': 6.68, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '交', 'pinyin': 'jiao1', 'highest pitch': 8.9, 'lowest pitch': 6.68, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 8.91, 'lowest pitch': 6.53, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '直', 'pinyin': 'zhiii2', 'highest pitch': 7.52, 'lowest pitch': 6.53, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '被', 'pinyin': 'bei4', 'highest pitch': 8.21, 'lowest pitch': 6.89, 'duration': 0.19, 'prosody hierarchy': '#2'}, {'character': '传', 'pinyin': 'chuan2', 'highest pitch': 7.57, 'lowest pitch': 6.65, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 7.98, 'lowest pitch': 6.54, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '佳', 'pinyin': 'jia1', 'highest pitch': 9.14, 'lowest pitch': 6.88, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '话', 'pinyin': 'hua4', 'highest pitch': 9.76, 'lowest pitch': 6.53, 'duration': 0.3, 'prosody hierarchy': '#4'}]