三月期央票发行利率有变动吗？
三月期央票发行利率仍然持平于百分之二点九一六八。[{'character': '三', 'pinyin': 'san1', 'highest pitch': 10.8, 'lowest pitch': 10.33, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '月', 'pinyin': 've4', 'highest pitch': 10.79, 'lowest pitch': 7.55, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '期', 'pinyin': 'qi1', 'highest pitch': 9.28, 'lowest pitch': 7.55, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '央', 'pinyin': 'iang1', 'highest pitch': 9.01, 'lowest pitch': 8.49, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '票', 'pinyin': 'piao4', 'highest pitch': 9.17, 'lowest pitch': 7.26, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 9.38, 'lowest pitch': 7.78, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '行', 'pinyin': 'xing2', 'highest pitch': 9.13, 'lowest pitch': 6.83, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '利', 'pinyin': 'li4', 'highest pitch': 9.04, 'lowest pitch': 7.42, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '率', 'pinyin': 'lv4', 'highest pitch': 7.45, 'lowest pitch': 5.58, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '仍', 'pinyin': 'reng2', 'highest pitch': 10.31, 'lowest pitch': 7.46, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 10.38, 'lowest pitch': 9.01, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '持', 'pinyin': 'chiii2', 'highest pitch': 9.01, 'lowest pitch': 7.52, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '平', 'pinyin': 'ping2', 'highest pitch': 8.2, 'lowest pitch': 7.41, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 8.32, 'lowest pitch': 7.09, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '百', 'pinyin': 'bai3', 'highest pitch': 8.49, 'lowest pitch': 5.19, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '分', 'pinyin': 'fen1', 'highest pitch': 8.41, 'lowest pitch': 7.37, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '之', 'pinyin': 'zhiii1', 'highest pitch': 9.94, 'lowest pitch': 8.41, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 10.53, 'lowest pitch': 7.86, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '点', 'pinyin': 'dian2', 'highest pitch': 9.3, 'lowest pitch': 7.27, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '九', 'pinyin': 'jiou3', 'highest pitch': 12.57, 'lowest pitch': 4.9, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i1', 'highest pitch': 8.73, 'lowest pitch': 5.0, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '六', 'pinyin': 'liou4', 'highest pitch': 9.72, 'lowest pitch': 7.56, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '八', 'pinyin': 'ba1', 'highest pitch': 10.29, 'lowest pitch': 9.49, 'duration': 0.26, 'prosody hierarchy': '#4'}]