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1·Or there may be an as yet unknown cause of cardiovascular pathology.

亦或，存在一种至今仍不为人们所知的引发心血管疾病的病因。

2·Or there may be an as yet unknown cause of some cardiovascular pathology.

也可能有某种至今未知的原因导致心血管疾病。

3·Sarcoidosis is a disease of unknown cause that leads to inflammation.

肉状瘤病是一种会导致炎症，原因不明的疾病。

4·Subarchnoid hemorrhage (SAH) of unknown cause is about 15 to 20% in SAH.

病因不明的蛛网膜下腔出血约占15 ~ 20%。

5·Chronic fatigue syndrome (CFS) : Sudden debilitating fatigue of unknown cause.

慢性疲劳症候群：不明原因的突然虚弱疲劳。

6·Objective: Discusses peritoneoscope's in unknown cause ascots diagnosis value.

目的：讨论腹腔镜在不明原因腹水中的诊断价值。

7·Method: Analyzing 5 laparoscope explorations cases of the patients of unknown cause ascites.

方法：分析5 1例不明原因腹水病人腹腔镜探查手术。

8·Sometimes the findings cannot be expressed in terms of a disease, e. g., paralysis of unknown cause.

有时检查所见并不能用一种疾病来表达，例如原因不明的瘫痪。

9·Present. Unascertained destroyed 36 vehicles, but the unknown cause of the incident, an unknown number of casualties.

目前。确知毁坏车辆36部，但事件原因未知，伤亡人数不详。

10·The study looked at patients treated during childhood for growth hormone deficiency or short stature of unknown cause.

这个研究着眼于那些在儿童期因生长激素缺乏或者不明原因的身材短小而接受治疗的患者。