The etiology is yet unknown. It appears to be related to some functional factors.
其病因尚不明，其发作可能与功能因素有某些关系。
It is yet unknown if we are going to be able to self heal enough to carry on in the ascension 150 years in time ahead.
我们还不知道是否我们能足以自我疗愈，以在未来150年中继续提升。
It is yet unknown when exactly Dooku abandoned himself to the dark side of the Force, though he had apparently experimented with forbidden lore in the past.
现在仍然不知道杜库到底是何时投入了原力黑暗面，但他显然在过去尝试过那些禁断的知识。
However, till now it is yet unknown how L-selectin and PSGL-1 initiate similar signaling pathways, nor any crosslinking between the two pathways has been found.
然而，目前还没有明确L -选择素和PSGL - 1如何引起相似的信号途径，也没有找到这两条信号通路的整合点。
A real and pressing issue is that many plant species have not yet been cataloged, and so their place in the ecosystem is unknown.
一个现实而紧迫的问题是，许多植物物种还没有被编目，因此它们在生态系统中的位置是未知的。
Rabban Bar Sauma (c. 1220-1294) is the Marco Polo of the East, and yet is relatively unknown.
拉班·巴·索玛(c. 1220—1294)是东方的马可·波罗，但是相对来说还是鲜为人知的。
“Human beings have trouble coming to terms with the unknown, ” Mr. Taylor said. “Growing old is a great unknown in the lives of everyone who is not yet old.”
“人类对于未知的情境总是存在忧虑”Taylor先生说，“对于尚未变老的人来说，变老是生活中一个巨大的未知。”
So far, humanity has only recorded sunrises on Mars and Earth, but it is fun to wonder what they would look like on planets known and yet unknown.
到目前为止，人类只记录下了火星和地球上的日出，但是猜想那些已知和未知的行星上的日出是一件非常有趣的事情。
The former is any user who is casually browsing the site, but is as yet unknown to the system.
前一个角色可以是任何随意浏览站点的用户，但系统不能识别它们。
Sony apologized over the weekend and the damage to its gaming business is as yet unknown.
上周末索尼公司公开道歉，这次事件给索尼游戏产业带来的危害尚无从得知。
The waving of the boughs in the storm, is new to me and old. It takes me by surprise, and yet is not unknown.
暴风中树枝摇曳，这景象我既熟悉又陌生，它令我惊讶，却又不是未知。
Post tensioned prestressed concrete hollow slab(PTPCHS) is one of high strength prestressed concrete hollow slab, and its construction performance is still unknown yet.
后张预应力混凝土空心板是一种高效预应力空心板，目前国内尚未对其结构性能进行系统研究。
"Always remember that your present situation is not your final destination. The best is yet to come." - Unknown.
“一定要记住，你目前的处境并非你的最终目标，最好的日子终将到来。”——匿名。
Most people do not like major changes, as most people are afraid of the unknown, yet what is unknown to you may be commonplace to other people.
多数人不喜欢大的改变，正如同多数人害怕未知一样，可是对你来说未知的也许对别人来说是…的。
This is a pace that may be tired, yet it is process of heart always being full of aspirations, because of unknown, we feel mysterious.
这是一个脚步可能疲惫，但心灵总是充溢渴望的过程，因为未知，我们感觉神秘。
It is speculated that selenium may have some unknown neural function, but as of yet, its mode of action is unknown.
据推测，硒元素有未知的神经功能，然而目前这种功能的作用模式还是未知的。
How the genes concerned contribute to the human ageing process is, as yet, unknown.
有关基因是如何在人类衰老过程中起作用的？
"Always remember that your present situation is not your final destination. The best is yet to come." - Unknown.
“一定要记住，你目前的处境并非你的最终目标，最好的日子终将到来。”——匿名名。
Always remember that your present situation is not your final destination. The best is yet to come. "- Unknown".
“一定要记住，你目前的处境并非你的最终目标，最好的日子终将到来。”——匿名。
The term solar sail is a misnomer, since Count Dooku's interstellar sloop USES an as-yet unknown brand of energetic propulsion far more exotic than stellar radiation.
“太阳帆船”这一称呼其实并不恰当，因为杜库伯爵的星际小帆船利用的是一种至今仍不清楚类型的能量推进力，它远比恒星辐射更奇特。
And then yet another note: doing performance optimizations on this level is the by far worst place as to many unknown factors go in. And you don't have any measurable performance win.
另外一个提示：由于各种未知的因素，想在这个地方进行优化并不合适，你很难获得明显的性能提升。
And yet if is the unknown with all its disappointments and surprises that is the most enriching.
即使未知事物有很多失望和惊喜，它也是最丰富的。
Today is my second day to this world! I almost don't know anything yet, everything to me is unknown, fresh and full of possibilities.
今天是我来到这个世界的第二天，我现在几乎什么都不懂，几乎一切都是未知、新鲜和充满可能性的。
I sigh with the unknown, living in me, perhaps running in the boundless desert, but the book has given me tips: it is because I was not yet an oasis of life find their own.
我无名的感叹着，生活于我，或许就是奔走于无垠的沙漠，但是书却给了我提示：那是因为我心里还没有找到自己的生命绿洲。
It would need to be approved by parliament although the timing of a vote is as yet unknown.
提案需经过议会批准，但投票时间尚不清楚。
It is rumored that Orcish marauders have been raiding coastal towns in the area, but whether these attacks are part of a greater Horde offensive is, as yet, unknown.
传闻兽人掠夺者已经在袭击这个地区的沿岸城镇，但是这些袭击是否是部落大规模进攻的一部分到现在还不得而知。
What exactly dark matter is remains unknown: the big bet is that it is some as-yet undiscovered elementary particle, some relic of the "big Bang" that created the Universe around 13 billion years ago.
暗物质究竟是什么目前还是一个谜。一种猜测是它是一些尚未被发现的基本粒子，约13亿年前宇宙大爆炸时产生的一些遗留物。
What exactly dark matter is remains unknown: the big bet is that it is some as-yet undiscovered elementary particle, some relic of the "big Bang" that created the Universe around 13 billion years ago.
暗物质究竟是什么目前还是一个谜。一种猜测是它是一些尚未被发现的基本粒子，约13亿年前宇宙大爆炸时产生的一些遗留物。
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