你觉得郭国庆在营销学方面有什么成就吗?
郭国庆长期从事营销学的研究，担任中国市场营销研究中心主任。[{'character': '郭', 'pinyin': 'guo1', 'highest pitch': 11.02, 'lowest pitch': 10.51, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 9.65, 'lowest pitch': 7.83, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '庆', 'pinyin': 'qing4', 'highest pitch': 10.23, 'lowest pitch': 7.18, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '长', 'pinyin': 'chang2', 'highest pitch': 7.56, 'lowest pitch': 6.58, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '期', 'pinyin': 'qi1', 'highest pitch': 8.78, 'lowest pitch': 7.56, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '从', 'pinyin': 'cong2', 'highest pitch': 7.85, 'lowest pitch': 6.21, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '事', 'pinyin': 'shiii4', 'highest pitch': 8.83, 'lowest pitch': 6.82, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '营', 'pinyin': 'ing2', 'highest pitch': 7.67, 'lowest pitch': 6.02, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '销', 'pinyin': 'xiao1', 'highest pitch': 10.08, 'lowest pitch': 7.67, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '学', 'pinyin': 'xve2', 'highest pitch': 9.79, 'lowest pitch': 5.94, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.56, 'lowest pitch': 5.94, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '研', 'pinyin': 'ian2', 'highest pitch': 7.88, 'lowest pitch': 5.54, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '究', 'pinyin': 'jiou1', 'highest pitch': 8.9, 'lowest pitch': 6.3, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.43}, {'character': '担', 'pinyin': 'dan1', 'highest pitch': 8.04, 'lowest pitch': 7.87, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '任', 'pinyin': 'ren4', 'highest pitch': 8.88, 'lowest pitch': 7.13, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '中', 'pinyin': 'zhong1', 'highest pitch': 9.91, 'lowest pitch': 7.2, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 9.65, 'lowest pitch': 8.66, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '市', 'pinyin': 'shiii4', 'highest pitch': 8.83, 'lowest pitch': 7.32, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang3', 'highest pitch': 7.32, 'lowest pitch': 4.35, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '营', 'pinyin': 'ing2', 'highest pitch': 7.67, 'lowest pitch': 5.33, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '销', 'pinyin': 'xiao1', 'highest pitch': 10.08, 'lowest pitch': 6.7, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '研', 'pinyin': 'ian2', 'highest pitch': 7.88, 'lowest pitch': 6.45, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '究', 'pinyin': 'jiou1', 'highest pitch': 8.9, 'lowest pitch': 7.38, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '中', 'pinyin': 'zhong1', 'highest pitch': 9.91, 'lowest pitch': 8.14, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '心', 'pinyin': 'xin1', 'highest pitch': 10.49, 'lowest pitch': 9.81, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '主', 'pinyin': 'zhu3', 'highest pitch': 9.87, 'lowest pitch': 4.39, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '任', 'pinyin': 'ren4', 'highest pitch': 8.88, 'lowest pitch': 4.39, 'duration': 0.28, 'prosody hierarchy': '#4'}]