尽管这是当前研究的主题，但如何组合和感知整个图像仍然是一个谜。
How the whole image is then assembled and perceived is still a mystery although it is the subject of current research.
冥王星不属于这两类，因为它离地球太远，体积又小，使得它的真正性质成为一个谜。
Pluto is not included in either category, because its great distance from Earth and its small size make this planet's true nature a mystery.
大自然确实像一个谜，其中一些领域是科学技术无法触及的，至少在可预见的未来是这样。
Nature is indeed like a riddle, some areas of which are beyond the reach of science and technology, at least in the foreseeable future.
失落的印加文明，被认为是一个谜。
这种化学物质究竟是如何发挥作用的仍然是一个谜。
How exactly the chemical plays a role still remains a mystery.
你将如何做到这一点则是另一个谜，因为在实验过程中你们两人没有交流的机会。
How you'll do this is another mystery, as there is going to be no communication between the two of you during the experiment.
这可是困扰了医生们几十年的一个谜。
未来会怎么样仍然是一个谜。
月球山谷的形成仍是一个谜。
从进化的角度看，公平的存在是一个谜。
FOR the evolutionarily minded, the existence of fairness is a puzzle.
睡眠的功能以及梦在睡眠中的作用仍是一个谜。
It's still a mystery what the function of sleep is and the roles dreams play in sleep.
漂浮的冰块是第一个谜。
对于这只猫是如何从佛罗里达州到达密歇根州的仍是一个谜。
为什么某些观念会比其它理念更引人注目？ 这依然是一个谜。
Why some ideas are more catchy than others remains a mystery.
头皮屑可以遗传，但什么原因导致了片状东西的产生还是一个谜。
Dandruff can be hereditary, but it's still a mystery what causes the flaky stuff.
尽管这项技术看起来前景广阔，但是它为什么管用仍然是一个谜。
Although the technique looks promising, it is a mystery why it should work.
斯图尔特•散丁是研究人员之一，他认为这么巨大的数量是一个谜。
For Stuart Sandin, one of the researchers, the profusion was a puzzle.
但是为什么黑子在这个深度而不是别的深度清楚地显现，这仍然是一个谜。
But why emerging sunspots should reveal themselves clearly at one depth but not at others is a mystery.
但是这个理论无法解释赤道山脊的形成，赤道山脊的形成至今还是一个谜。
But this theory can't easily account for the equatorial ridge, which remains a mystery.
这是一个谜：一个孩子在水池较浅的一端小便然后游到较深的一端。
Here's a puzzle: a child pees in the shallow end of a pool and then swims to the deep end.
除了传说以外，关于月饼到底是在何时何地首次面世的，至今仍然是一个谜。
Fables aside, exactly when and where mooncakes were first introduced remains a mystery.
如果某件事出错了，就会把它当成一个谜，可能只有通过从零开始才能解决它。
When something goes wrong, it's regarded as a mystery that might only be solved by starting from scratch.
至于为什么已发现患有自闭症的儿童数量与日俱增，至今仍是一个谜。
The number of children found to have autism has been increasing for reasons that remain mysterious.
但苹果仍然有待正式公布这一消息，该公司10月份的确切计划仍然是一个谜。
Apple has yet to officially announce anything, however, and the company's exact plans in October are still a mystery.
这是一个谜，但也许与制造工具的知识从一个部族传递到另一个部族的方式有关系。
That is a mystery, but it may have something to do with the way knowledge of how to make the tools was transmitted from group to group.
纳博科夫时常在这样的卡片上创作，一边写一边打乱卡片的顺序，就像在构建一个谜。
Nabokov routinely composed on such CARDS, shuffling and reshuffling the deck as he wrote. It was like constructing a puzzle.
可能，这个一战贺卡为什么推迟了100年才邮寄成功的秘密永远是一个谜了。
The postcard's history for the last 94 years remains a total mystery.
可能，这个一战贺卡为什么推迟了100年才邮寄成功的秘密永远是一个谜了。
The postcard's history for the last 94 years remains a total mystery.
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