1. The origin of electrification in clouds is an old and still unsolved problem .
云中起电的缘由是一个古老但仍未解决的问题。

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2. Origin Of Chirality In The Molecules Of Life: A Revision From Awareness To The Current Theories And Perspectives Of This Unsolved Problem.
生命分子中手征起源,从知晓到当前实验:前理论与现理论的修订,此未解决问题的透视。

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3. Symbolic dynamical system is a powerful tool in the study of dynamical systems theories, the study of dynamical properties of the general symbolic dynamical system is a far unsolved problem.
符号动力系统是动力系统理论研究的强有力工具,一般符号动力系统的动力学性质的研究是一个远未解决的课题。

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4. In the above process I met some unsolved problems and have no time to explore them yet, so I just write them down here for further study.
在上述过程中,其实我还遇到了一些未解决的问题,暂时没有时间深究,在此先记录如下。

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5. Problem solving, from homework problems to unsolved problems, is certainly an important aspect of mathematics, though definitely not the only one.
解题当然是数学的一个重要方面,不管是课后习题还是未解决的数学难题,不过解题并不是数学的全部。

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6. Analytic number theory is fortunate to have one of the most famous unsolved problems, the Riemann hypothesis.
解析数论非常幸运还有一个最为有名的未解决的问题,即黎曼假设。

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7. This is the current total number of unsolved tasks.
这是当前未解决的任务的总数。

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8. And there are several unsolved problems existing. The paper points out that it must strategically take measures to promote the development of woody grain and oil.
但是,木本粮油还没有被特别注意,存在不少未解决的问题,需要从战略上采取措施推进木本粮油的发展。

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9. Despite over more than one century of effort, it remains unsolved, and synthesis of new odorants still proceeds largely by trial and error.
尽管经过百年多的努力,它仍未能解决,而且新香料的分子结构设计和合成依然主要地依靠试验和改错的方法。

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10. Objective: Trachea re-establishment following the occurrence of long and large scale trachea defects is a long unsolved problem.
目的气管长距离大范围缺损所要求的气管重建,是一个长期以来尚未解决的问题。

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11. However, there are still a number of unsolved problems in this field.
然而,在这个领域中还存在许多未解决的问题。

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12. The problem what to do next remains unsolved.
下一步要做什么,这个问题还没解决。

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13. Some researchers regard sleep as one of the greatest unsolved mysteries of science, even though all animals do it in one form or another.
有些研究者将睡眠认为是科学中一大未解之谜——虽然每一种动物都会睡觉,以这种或那种的形式。

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14. Only time will tell the reasons behind this mysterious encounter, or maybe the meeting will remain another of those unsolved Italian mysteries.
只有时间将会解答这次神秘会议的主旨,或者这次会议将成为众多意大利未解答的秘密之一。

www.scacm.com

15. Due to their depth and scope, there are still many problems to be unsolved in the field of their combination.
由于这它们的深度和广度,在它们的结合点上仍然还有大量问题尚未解决。

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16. Finally, the paper gives a conclusion, and point out some unsolved problem and the further research direction.
最后,对文章进行了总结,并指出了若干遗留问题和进一步的研究方向。

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17. All the inconsistencies, and the obscurity of history, and the false path that science has followed, is due to that unsolved question.
历史所有的矛盾和含糊,这种科学所走的错误道路,完全是由于这个问题没有得到解决的缘故。

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18. I hate everyone, God is not fair with me, who is a kind of unsolved animal.
我恨所有人,上天不公平,对与我来说人是一种猜不透的动物。

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19. One big Extra in any endeavor is to identify new opportunities or unsolved problems, and then convene conversations around them.
任何努力中的一个大的额外因素就是确定新的机遇或没有解决的问题,然后召集他们谈话。

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20. Obviously, at a time like that not many people were around, so nobody saw the shooter and the case remains unsolved.
显然,在那种时间不会有太多的人在附近,所以没有人看见凶手而案件一直没有了结。

article.yeeyan.org

21. Still unsolved is what makes the bees fly off into the wild yonder at the point of death.
然而究竟是什么原因促使蜜蜂飞到野外死亡的问题还没有得到解决。

article.yeeyan.org

22. Put these letter in the unsolved cases file.
将这些信件放入未破案件卷宗内。

www.dictall.com

23. This is an unsolved problem.
这是一个老问题。

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24. This is an unsolved problem.
这是一个老问题。

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