将需要进一步研究，以便确定有效的预防措施。

Further studies will be needed to identify effective preventive measures.

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报告概述了经证实有效的预防措施可发挥的影响。

The report outlines the impact that proven prevention measures can have. These measures include

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该研究未针对深静脉血栓形成和静脉血栓栓塞调查有效的预防措施。

This study did not investigate effective preventive measures against DVT and VTE.

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