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'abstract_inverted_index': {'班岛蓝洞(Saipan': [0], 'blue': [1, 9], 'hole)、印度洋马尔代夫法努马': [2], '杜高蓝洞(blue': [3], 'hole': [4], 'of': [5], 'Faanu': [6], 'Madugau)、红海哈达布': [7], '蓝洞(Dahab': [8], 'hole)、地中海马耳他戈佐蓝洞(Gozo': [10]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2809889664', 'counts_by_year': [{'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 1}], 'updated_date': '2024-09-18T03:45:55.758276', 'created_date': '2018-07-10'}