我听说过中宁县有一个枸杞观光示范园。
中宁县万亩枸杞观光示范园。[{'character': '中', 'pinyin': 'zhong1', 'highest pitch': 11.08, 'lowest pitch': 10.68, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '宁', 'pinyin': 'ning2', 'highest pitch': 10.68, 'lowest pitch': 8.47, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '县', 'pinyin': 'xian4', 'highest pitch': 10.21, 'lowest pitch': 8.38, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '万', 'pinyin': 'uan4', 'highest pitch': 9.95, 'lowest pitch': 7.65, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '亩', 'pinyin': 'mu3', 'highest pitch': 7.65, 'lowest pitch': 5.31, 'duration': 0.18, 'prosody hierarchy': '#2'}, {'character': '枸', 'pinyin': 'gou2', 'highest pitch': 10.24, 'lowest pitch': 6.96, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '杞', 'pinyin': 'qi3', 'highest pitch': 7.35, 'lowest pitch': 5.48, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '观', 'pinyin': 'guan1', 'highest pitch': 8.53, 'lowest pitch': 7.94, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '光', 'pinyin': 'guang1', 'highest pitch': 9.7, 'lowest pitch': 9.24, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '示', 'pinyin': 'shiii4', 'highest pitch': 9.7, 'lowest pitch': 8.08, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '范', 'pinyin': 'fan4', 'highest pitch': 8.08, 'lowest pitch': 6.03, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '园', 'pinyin': 'van2', 'highest pitch': 7.12, 'lowest pitch': 5.19, 'duration': 0.36, 'prosody hierarchy': '#4'}]