The immediate cause of death is unknown.
造成死亡的直接原因不明。
If an unknown person enters a home, the camera will send the owner a warning that will cause an alarm to sound on the owner's smartphone.
如果一个不知名的人进入家中，摄像头就会向主人发送警告，并在主人的智能手机上响起警报。
Recovery scenarios can be categorized by whether the cause of the problem is known or unknown.
可依据导致问题的原因是已知还是未知，来对恢复场景进行分类。
The cause of her death is still unknown.
关于其死亡的原因至今还未知晓。
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。
原因：未知。
These statements involve known and unknown risks, uncertainties and other factors, which may cause actual results to be materially different from those expressed or implied in the statements.
这些前瞻性陈述包括了一些已知和未知的风险和不确定因素，事实结果会同这些预测产生巨大的分歧。
The most common reason is a condition called idiopathic (unknown cause) thrombocytopenia (low platelets) purpura (ITP). Platelets are blood cells which aid is blood clotting.
最常见的原因是突发性(原因不明)低血小板紫癜(itp)，血小板是帮助血液凝结的血细胞(其实血小板不具有细胞结构——译者注)。
Police have not determined a cause of death, and much remains unknown about the circumstances of her demise.
警方暂未确认死因，因此关于她的死因还是个未知数。
The cause of the crash is still unknown.
此次失事的原因尚不清楚。
The cause of the accident remains unknown.
事故的原因仍不清楚。
Before Columbus, the parasites that cause malaria were rampant in Eurasia and Africa but unknown in the Americas.
在哥伦布踏上北美大陆之前，导致疟疾在欧亚大陆和非洲大陆横行泛滥的寄生虫在美洲大陆并未现身。
The cause of the dark patch of water in the upper left quadrant of the image is unknown.
图片左上方四分之一处的深色块海域是未知区域。
Spanish police said the cause of death was unknown and there were no signs of violence.
西班牙警方表示，死亡原因不明，现场也没有打斗的迹象。
The pancreas is the organ that helps the body regulate blood sugar. So it's a vicious cycle, Robertson said, and the cause is still unknown.
胰腺是帮助身体调整血糖水平的器官，因此，罗伯逊说，这是一个恶性循环，但糖尿病的病因我们仍不清楚。
The pancreas is the organ that helps the body regulate blood sugar. So it’s a vicious cycle,Robertson said, and the cause is still unknown.
胰腺是帮助身体调整血糖水平的器官，因此，罗伯逊说，这是一个恶性循环，但糖尿病的病因我们仍不清楚。
The cause of autism is unknown, although some research, including the papers presented at IMFAR, hint at some maternal factors that might contribute to a child developing the disorder.
引起自闭症的原因尚且不知，尽管一些研究，包括提交给国际自闭症协会的那些文章，暗示一些来自母亲方面的因素可能会导致孩子患上自闭症。
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。
Although the cause would remain unknown, a likely explanation is that something in the laws of gravity needs radicalrevision.
尽管结果现在还无人知晓，不过很有可能引力的一系列定律需要得到根本的修正。
If the cause is unknown, then you should perform a full recovery of the instance.
如果原因不明，那就应当执行实例的完全恢复。
While the exact cause of autism spectrum disorders are currently unknown, there are many possibilities.
尽管孤独症谱系障碍的确切成因目前还不清楚，但是可能性有很多。
Experts said the research marked an important milestone in the effort to decipher a debilitating condition whose cause and cure remain unknown.
专家认为该项研究，将自闭症从病因、治疗方法不详这种折磨人的状态中解救出来，是一座重要的里程碑。
We believe he suffered a cardiac arrest at his home, however the cause of his death is unknown until the results of the autopsy are known.
虽然在尸检报告出来之前，我们都无法确知他的死因，但我们都认为他是死于在家中发作的心博停止。
One went down behind enemy lines - the cause was unknown - and the Pentagon said the two-person crew had been taken prisoner.
一架飞机在伊作战线后方跌落--事故原因未知--五角大楼表示有两名飞行员被俘虏。
The cause of the fire remained unknown, but a witness said he saw construction materials burning before the fire climbed up the scaffolding and quickly spread.
大火原因尚未查明，但是有目击者称，大火先在脚手架上着火，然后迅速蔓延直至大楼建筑材料起火。
The cause is unknown, though the syndrome can be triggered by certain viral infections, and there is no cure.
虽然证实某种病毒感染能触发这种综合症，可是具体的患病原因还是个未知数，而且目前看来无法可医。
The cause is unknown, though the syndrome can be triggered by certain viral infections, and there is no cure.
虽然证实某种病毒感染能触发这种综合症，可是具体的患病原因还是个未知数，而且目前看来无法可医。
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