With only one observation per country, it is impossible to control for unobserved heterogeneity across countries.
由于每个国家只有一个观测结果，因此不可能控制各国间未观察到的异质性。
Bernard, unobserved, had watched the meeting between the two.
伯纳德偷看这爷俩见面没有引起任何人的注意。
She contrived to slip away unobserved in the dusk of the afternoon.
她计划乘黄昏时候人不知鬼不觉地溜走。
NET Framework 4.5 changes this default behavior for unobserved exceptions.
NET框架4.5更改此默认行为例外避人耳目。
And yet no one would suggest that an unobserved proton is an abstract entity.
但是没有人会建议说，不可观察的质子是抽象实体。
I walked about the outside, at first unobserved from within, the window was so deep and high.
我在外面走动，起先没有给里面注意到，那窗子根深而且很高。
We cannot allow a power like this to operate, unchecked and unobserved, even if it is currently used benignly.
我们不能让权力像这样操作，听之任之，并观察到，即使它是目前使用的良性。
But the meeting with his nephew was unsatisfactory. Bernard, unobserved, had watched the meeting between the two.
可是，这次跟侄子的见面并不令人满意。伯纳德偷看这爷俩见面没有引起任何人的注意。
The favoured explanation is the so-called cosmological constant-an as-yet-unobserved consequence of the general theory of relativity.
最受认可的解释是所谓的宇宙常数——一个广义相对论仍未被发现的结论。
Until recently, no one had tried to control for unobserved characteristics in measuring the effect of an elite education on earnings.
直到最近才有人试图核实这些被忽视的因素在衡量精英式教育对收入情况产生的影响。
In one, students had to throw a dice unobserved and report what number they rolled. The higher the number, the more they would be paid.
在一个实验中，研究者让学生们扔骰子，结果是多少，他们就会得到相应的报酬。
I myself have often, and unobserved by you, seen you in the British Museum walking about in the depth of thought, and I liked you for it.
我本人常常看到你——在你没注意我的时候——看到你在大英博物馆里若有所思地踱步，我喜欢你那样子。
Not ever acknowledged of course, but still, she'd heard him softly sing along-saw the look on his face when he thought he was unobserved.
不曾经当然承认，但是仍然，她有柔和地听到了他向前唱-看见在他的脸上神情当他想了他被不观察的时候。
Widows and widowers speak of the pain of living an unobserved life – of having no one who knows what time they come home, go to bed, or woke up.
丧偶者谈到过着无人关注的生活的痛苦——没有人知道他们什么时候回家，什么时候睡觉或醒来。
The trick is to send neutrinos on a shortcut through a fourth, thus-far-unobserved dimension of space, reducing the distance they have to travel.
诀窍在于通过第4维空间即直到目前还未观察到的空间把中微子发送到一个捷径上，以减少中微子的行程。
She walked by this institution several times hesitating, but, finding herself unobserved, faltered past the screen door and stood humble waiting.
她在这个公司门前徘徊犹豫了好一会儿，但是发现没有人注意到她，她就迟迟疑疑地走进了纱门，自感低卑地站在那里等候。
When an economy shifts from an administratively determined wage system to a market-oriented one, rewards to both observed and unobserved skills increase.
当一个经济体由行政决定的工资体系转向由市场决定的工资体系时，对于可观察和不可观察能力的回报都会增加。
Since April 2006, CloudSat's radar has, however, been providing a globe-circling slice of the middle layer, a previously unobserved part of the atmosphere.
然而2006年4月以来，“探云”卫星的雷达就一直在提供全球范围内的中间云层样板，这是以前对大气研究从未涉及的领域。
NET Framework 4, by default, if a Task that has an unobserved exception is garbage collected, the finalizer throws an exception and terminates the process.
NET框架4，默认情况下，如果有一个例外是避人耳目垃圾收集任务，析构函数抛出异常并终止过程。
Apart from the as-yet-unobserved microscopic variety, physicists have spotted numerous telltale signs of black holes that weigh several times the mass of the sun.
除了至今尚未观察到的微型黑洞变体，物理学家已经发现了数倍于太阳质量的黑洞的明显特征。
The study also finds that unobserved effects, sample selection bias and measurement errors play important role on results, and OLS really underestimates yield of schooling.
非观测效应，以及样本选择偏差和测量误差所引发的内生性问题对结果的影响很大，导致普通最小二乘法低估了我国的教育收益率。
The teen-agers are encouraged to go off and dance and pet with each other, even if they haven't finished their homework; for the grownups need desperately to relax, unobserved.
青少年们也被鼓励去参加，跳舞，玩乐，即使他们还没完成作业；因为成年人们急需放松，不被注视。
I'd warn you when I came, and then you might let me in unobserved, as soon as she was alone, and watch till I departed, your conscience quite calm: you would be hindering mischief. '.
我到时，先让你知道，然后等她一个人的时候，你就可以让我进去不被人看见，而且守着，一直等我离开，你的良心也会十分平静：你可以防止闯出祸来。
The turn of the century saw a slowing down of the reward to both the observed and unobserved skills, due largely to the college expansion program that occurred at the end of the 1990s.
在世纪之交这两类能力回报增长的放缓则很有可能是由于发生在上世纪90年代末的高校扩招。
There are those among mankind, who can enjoy no relish of their being, except the world is made acquainted with all that relates to them, and think every thing lost that passes unobserved.
在人群中，有这样一种人，世界只是一个在他们周围的一些他们所熟悉的相关事物， 除此之外， 他们便安于其平淡的生活，并把生活中失去的看成是不经意的擦肩而过。
Heisenberg replaced the unobserved orbits of Bohr's atomic model with a series of mathematical entities representing observed quantities, such as the radiation emitted or absorbed by an atom.
海森堡用一系列数学元素来代表被观测到的量，比如原子吸收或发出的辐射，用以替换波尔的无法观测的原子模型运行轨道。
Heisenberg replaced the unobserved orbits of Bohr's atomic model with a series of mathematical entities representing observed quantities, such as the radiation emitted or absorbed by an atom.
海森堡用一系列数学元素来代表被观测到的量，比如原子吸收或发出的辐射，用以替换波尔的无法观测的原子模型运行轨道。
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