广铁集团如何应对春运期间的客流压力？
春运期间，广铁集团日开行动车组列车二百五十六对。[{'character': '春', 'pinyin': 'chuen1', 'highest pitch': 11.07, 'lowest pitch': 10.2, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '运', 'pinyin': 'vn4', 'highest pitch': 11.16, 'lowest pitch': 8.88, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '期', 'pinyin': 'qi1', 'highest pitch': 8.88, 'lowest pitch': 7.22, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '间', 'pinyin': 'jian1', 'highest pitch': 8.75, 'lowest pitch': 7.22, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.21}, {'character': '广', 'pinyin': 'guang2', 'highest pitch': 8.34, 'lowest pitch': 7.41, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '铁', 'pinyin': 'tie3', 'highest pitch': 8.73, 'lowest pitch': 6.4, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '集', 'pinyin': 'ji2', 'highest pitch': 7.06, 'lowest pitch': 6.57, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '团', 'pinyin': 'tuan2', 'highest pitch': 8.01, 'lowest pitch': 6.17, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '日', 'pinyin': 'riii4', 'highest pitch': 9.64, 'lowest pitch': 8.8, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 9.81, 'lowest pitch': 8.85, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '行', 'pinyin': 'xing2', 'highest pitch': 9.55, 'lowest pitch': 7.19, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '动', 'pinyin': 'dong4', 'highest pitch': 9.35, 'lowest pitch': 8.08, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.24, 'lowest pitch': 8.12, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '组', 'pinyin': 'zu3', 'highest pitch': 7.61, 'lowest pitch': 5.34, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '列', 'pinyin': 'lie4', 'highest pitch': 6.91, 'lowest pitch': 5.34, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.24, 'lowest pitch': 8.22, 'duration': 0.32, 'prosody hierarchy': '#2'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 9.65, 'lowest pitch': 9.07, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '百', 'pinyin': 'bai2', 'highest pitch': 9.71, 'lowest pitch': 8.37, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '五', 'pinyin': 'u3', 'highest pitch': 8.49, 'lowest pitch': 5.63, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '十', 'pinyin': 'shiii2', 'highest pitch': 7.0, 'lowest pitch': 5.73, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '六', 'pinyin': 'liou4', 'highest pitch': 9.95, 'lowest pitch': 6.85, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 7.75, 'lowest pitch': 5.13, 'duration': 0.3, 'prosody hierarchy': '#4'}]