高血压患者的脑内动脉血管壁比常人的薄或者厚，而天气突然变冷会使血管收缩，增高血压，从而容易导致血管破裂、阻塞。

Arterial hypertension in the brain than ordinary thin or thick wall, but a sudden cold weather make the blood vessels, increase blood pressure, which tends to lead to vascular rupture, blocking.

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因为收缩而导致的涂层细小的，无规律的破裂。

Fine, random cracks or fissures in a paint film, caused by shrinkage.

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如果前囊或后囊破裂，囊收缩产生的力量可以导致放射状撕裂的扩展，进而引起植入晶状体的后脱位。

If either the posterior or anterior capsules are disrupted, the forces created by capsular contraction may cause extension of radial tears, with subsequent posterior dislocation of the implant.

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