这些城市的发展速度非常快。
北上广深四大一线城市更是获得了“盛世荣宠”。[{'character': '北', 'pinyin': 'bei3', 'highest pitch': 9.01, 'lowest pitch': 6.6, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 10.77, 'lowest pitch': 6.93, 'duration': 0.29, 'prosody hierarchy': '#1'}, {'character': '广', 'pinyin': 'guang3', 'highest pitch': 8.06, 'lowest pitch': 3.05, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '深', 'pinyin': 'shen1', 'highest pitch': 10.51, 'lowest pitch': 9.44, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '四', 'pinyin': 'sii4', 'highest pitch': 10.26, 'lowest pitch': 8.21, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 9.09, 'lowest pitch': 7.61, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i1', 'highest pitch': 8.11, 'lowest pitch': 7.43, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '线', 'pinyin': 'xian4', 'highest pitch': 8.74, 'lowest pitch': 6.87, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '城', 'pinyin': 'cheng2', 'highest pitch': 7.22, 'lowest pitch': 5.67, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '市', 'pinyin': 'shiii4', 'highest pitch': 11.96, 'lowest pitch': 6.67, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '更', 'pinyin': 'geng4', 'highest pitch': 10.43, 'lowest pitch': 9.24, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 11.96, 'lowest pitch': 8.22, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '获', 'pinyin': 'huo4', 'highest pitch': 8.69, 'lowest pitch': 6.79, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 6.06, 'lowest pitch': 5.73, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 7.99, 'lowest pitch': 6.06, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '盛', 'pinyin': 'sheng4', 'highest pitch': 10.97, 'lowest pitch': 9.12, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '世', 'pinyin': 'shiii4', 'highest pitch': 11.96, 'lowest pitch': 6.63, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '荣', 'pinyin': 'rong2', 'highest pitch': 7.51, 'lowest pitch': 5.41, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '宠', 'pinyin': 'chong3', 'highest pitch': 7.68, 'lowest pitch': 2.97, 'duration': 0.38, 'prosody hierarchy': '#4'}]