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宁大年依然在汽车修理厂负责维修和培训。[{'character': '宁', 'pinyin': 'ning2', 'highest pitch': 11.42, 'lowest pitch': 8.24, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 11.61, 'lowest pitch': 9.49, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 9.49, 'lowest pitch': 6.39, 'duration': 0.37, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.04}, {'character': '依', 'pinyin': 'i1', 'highest pitch': 8.41, 'lowest pitch': 7.68, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 7.68, 'lowest pitch': 6.16, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.48, 'lowest pitch': 6.99, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '汽', 'pinyin': 'qi4', 'highest pitch': 9.74, 'lowest pitch': 9.08, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.86, 'lowest pitch': 9.08, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '修', 'pinyin': 'xiou1', 'highest pitch': 10.57, 'lowest pitch': 9.79, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '理', 'pinyin': 'li2', 'highest pitch': 10.27, 'lowest pitch': 8.91, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '厂', 'pinyin': 'chang3', 'highest pitch': 9.57, 'lowest pitch': 0.15, 'duration': 0.35, 'prosody hierarchy': '#3'}, {'character': '负', 'pinyin': 'fu4', 'highest pitch': 7.44, 'lowest pitch': 6.86, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '责', 'pinyin': 'ze2', 'highest pitch': 7.01, 'lowest pitch': 6.3, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '维', 'pinyin': 'uei2', 'highest pitch': 7.72, 'lowest pitch': 6.22, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '修', 'pinyin': 'xiou1', 'highest pitch': 10.57, 'lowest pitch': 7.72, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '和', 'pinyin': 'he2', 'highest pitch': 9.71, 'lowest pitch': 8.64, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '培', 'pinyin': 'pei2', 'highest pitch': 8.06, 'lowest pitch': 5.98, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '训', 'pinyin': 'xvn4', 'highest pitch': 10.36, 'lowest pitch': 6.78, 'duration': 0.31, 'prosody hierarchy': '#4'}]