这是一件古代文物。
受损宋代哥窑青釉葵瓣口盘正面损毁后。[{'character': '受', 'pinyin': 'shou4', 'highest pitch': 10.83, 'lowest pitch': 8.81, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '损', 'pinyin': 'suen3', 'highest pitch': 8.81, 'lowest pitch': 5.0, 'duration': 0.34, 'prosody hierarchy': '#2'}, {'character': '宋', 'pinyin': 'song4', 'highest pitch': 10.94, 'lowest pitch': 9.11, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '代', 'pinyin': 'dai4', 'highest pitch': 9.58, 'lowest pitch': 7.56, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '哥', 'pinyin': 'ge1', 'highest pitch': 9.48, 'lowest pitch': 7.56, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '窑', 'pinyin': 'iao2', 'highest pitch': 8.97, 'lowest pitch': 6.36, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '青', 'pinyin': 'qing1', 'highest pitch': 10.33, 'lowest pitch': 8.23, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '釉', 'pinyin': 'iou4', 'highest pitch': 10.32, 'lowest pitch': 7.77, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '葵', 'pinyin': 'kuei2', 'highest pitch': 7.74, 'lowest pitch': 6.58, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '瓣', 'pinyin': 'ban4', 'highest pitch': 9.4, 'lowest pitch': 7.61, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '口', 'pinyin': 'kou3', 'highest pitch': 13.58, 'lowest pitch': 4.51, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '盘', 'pinyin': 'pan2', 'highest pitch': 7.9, 'lowest pitch': 5.23, 'duration': 0.36, 'prosody hierarchy': '#2'}, {'character': '正', 'pinyin': 'zheng4', 'highest pitch': 10.72, 'lowest pitch': 9.57, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '面', 'pinyin': 'mian4', 'highest pitch': 9.57, 'lowest pitch': 7.3, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '损', 'pinyin': 'suen2', 'highest pitch': 7.85, 'lowest pitch': 6.5, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '毁', 'pinyin': 'huei3', 'highest pitch': 13.11, 'lowest pitch': 4.01, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '后', 'pinyin': 'hou4', 'highest pitch': 8.5, 'lowest pitch': 5.51, 'duration': 0.25, 'prosody hierarchy': '#4'}]