学者们认识到了数据质量研究的必要性，并取得了丰富的成果。
It is necessary and significant to study the affecting factors of the data quality of corporations.
国外关于股利政策的研究已经取得了丰富的成果，但并没有达成共识。
Refering to the dividend policy, many foreign scholars have done much research and achieved different conclusions.
GIS不确定性是GIS理论研究的一个热点和难点，虽然取得了丰富的成果，但仍然存在不少问题。
GIS uncertainty is a hotspot and difficulty of GIS theory. Although GIS uncertainty research has obtained abundant achievement, it still exists many problems.
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