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单词
varicose veins of the lower extremities
释义
varicose veins of the lower extremities
Encyclopedia
工学
下肢静脉曲张(见原发性下肢静脉曲张)
释
varicose veins of the lower extremities
下肢静脉曲张
由于缺乏肌肉收缩,下肢静脉血液因回流不畅而充血,逐渐引起静脉瓣开锁不全、静脉淤血、静脉壁营养障碍与扩张。
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sequential probability ratio test,SPRT
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