如果患者具有中度或高度的肺栓塞验前概率，那么其验后概率将高于85%。

In patients with a moderate or high pretest probability, these findings are associated with a greater than 85% post-test probability of pulmonary embolism.

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优化后的拱形头盖体积与优化前相比减小了34.7%，失效概率仅为0.007 2%，达到了开启便捷且安全可靠的设计目的。

By optimization, the volume decreases by 34.7% with a failure probability only 0.007 2%, it can be operated easily and safely.

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