就像任何这类研究一样，原因尚未可知，究竟是出于这一因素，还是那些不吃早餐的人本来就更容易增重。
As with any study of this kind, it was unclear if that was the cause—or if breakfast-skippers were just more likely to be overweight to begin with.
多能性的这种明显缺失是否是普遍的尚未可知。
Whether this striking absence of pluripotency is universal is still unknown.
纳扎尔巴耶夫先生是否会继续掌权达三十年整仍未可知。
Whether Mr Nazarbayev will go ahead and treat himself to a full three decades in power remains to be seen.
项目的结果，起码在早期，也未可知，但毫无疑问，值得一试。
The project's outcome, at this early stage, remains uncertain. But it is surely worth a try.
但Android能否帮助谷歌进军手机广告市场仍未可知。
But its ability to help Google expand in the mobile-ad market remains unproved.
传言娜塔莉·波特曼将出演这部电影，但其是否出镜尚未可知。
Natalie Portman was rumored to be semi-attached to that project, but whether that's still the case remains to be seen.
传统行业的生产成本是很清楚的，而新行业的成本则未可知。
The costs of production in the traditional industry are well-known; costs in the new industry are not.
在每一个主要病变的动脉区域构建多个移植物的影响尚未可知。
The effects of constructing multiple grafts to each major diseased artery territory are unknown.
职业转变是一个选择，通常需要退后一步，最终的结果也未可知。
That's an option, but it often requires a step downward, and the ultimate result is uncertain.
埃克继续猜测道：“也或许是因为地下河后来改道这里也未可知！”
"Ike continued speculation and said:" Perhaps it is because the river was diverted underground unknown here!
葡萄糖对病毒感染有益却对细菌感染有害的具体生物学细节还尚未可知。
The precise biological details of why glucose is good for viral infections and bad for bacterial ones are not yet known.
此外，2020年的探测器探索火星时能否做到与现有蓝图一致也未可知。
Plus it's unclear how well the 2020 rover will mesh with existing blueprints for Mars exploration.
昨天是历史，明天未可知，今天是礼物，这就是为何将“现在”称为礼物。
Yesterday is history, tomorrow is a mystery, today is a gift, that is why it is called PRESENT.
俗语说，过去的，已经过去了；未来的，还未可知；现在，却是上苍的礼赠。
There is a saying, Yesterday is history, Tomorrow is a mystery, But today is a gift.
作者对其的解释和外推并未经过任何决定性的实验，而且他们能否这么做也未可知。
The authors’ interpretations and extrapolations of it have not been subjected to any decisive tests, and it is not clear that they ever could be.
但是，在鱼藤酮诱导的多巴胺神经元变性过程中，小胶质细胞的作用尚未可知。
However, the role of microglia in rotenone-induced neurodegeneration has not been reported.
中国正在再次阻止人民币升值，至于它是否打算放弃重商主义的增长战略，目前尚未可知。
China has again been preventing the renminbi from strengthening and the jury is still out on whether the country intends to depart from its mercantilist growth strategy.
他的当选是否会给Maguindanao 带来变化还未可知，尽管他看上去和善一些。
Whether his election might bring change to Maguindanao is unclear, though he appears a more benign sort of boss.
大卫说，孩子还活着，我禁食哭泣。因为我想，或者耶和华怜恤我，使孩子不死也未可知。
And he said, While the child was yet alive, I fasted and wept: for I said, Who can tell whether GOD will be gracious to me, that the child may live?
此类患者血液中低肌钙蛋白t水平的分布和决定因素及其与心血管事件的关系尚未可知。
The distribution and determinants of very low circulating troponin t levels, as well as their association with cardiovascular events, in such patients are unknown.
他认为打造未来需要牺牲和冒险，他笃信用技术来填补空白，即使这个空白究竟是什么还未可知。
He believed that the future required sacrifice and boldness. He bet on new technologies to fill gaps even when the way was unclear.
如果详细的功能尚未可知的话，那么记录基本规则和假设，以及被包括在和排除于评估之中的东西。
If detailed functionality is not known, document ground rules and assumptions, and what is and isn't included in the estimate.
但他们尚未知道这些动物如何获得这种能力，这种抗癌能力是否可以转移给正常小鼠也未可知。
But they didn't know how the animals accomplished this feat or whether the cancer resistance could be transferred to normal mice.
所谓的“金融保护主义”是否会盛行起来还未可知；也不知道如果发生这种情况，又会产生怎样的作用。
It's too soon to know whether what might be called financial protectionism will prevail and, if it does, what effect it will have.
今年早些时，美国国家健康研究院发现，手机的使用可以加快大脑活动，但是这是否会造成健康危害尚未可知。
Earlier this year, a U. s. National Institutes of health study found that cellphone use can speed up brain activity, but it is unknown whether that has any dangerous health effects.
黑色星期五的收益总数在下周前都未可知，但美国零售联合会的凯西·格拉尼斯表示这些数字并不如往年那么重要。
Black Friday totals won't be known until next week, but the National Retail Federation's Kathy Grannis says the Numbers are not as important as in previous years.
黑色星期五的收益总数在下周前都未可知，但美国零售联合会的凯西·格拉尼斯表示这些数字并不如往年那么重要。
Black Friday totals won't be known until next week, but the National Retail Federation's Kathy Grannis says the Numbers are not as important as in previous years.
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