Previous diagnostic tests produced inconclusive results.

前期的实验结果不能明确诊断。

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While researchers have argued that diet is also involved, past studies have produced inconclusive results.

尽管研究者争论饮食也牵涉其中，但过去的研究没有得到结论性的结果。

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A minority of studies have investigated the behavioral determinants of hand hygiene, of which only 7 report the use of a theoretical framework with inconclusive results.

少数的研究已经调查了手部卫生，行为决定因素，其中只有7报告的一个不确定的结果的理论框架。

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The abiding interest in the crash has been fueled partly intriguing but inconclusive results from previous searches.

WSJ: Amelia Earhart: New Try to Solve Old Mystery

Research has produced inconclusive results on whether defensive gun use lowers crime.

WSJ: Arizona gun proponents launch free gun program

In the early 1950s, the color Red 2 was tested by the Federal Department of Agriculture (FDA) and inconclusive results did not bode well.

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