The researchers have data on all four "parents" - two biological and two adoptive - and use it to look at the correlation between the parents' level of education and the child's.
研究人员拥有关于四位“父母”——两位生身父母和两位领养父母——的数据，并用它来研究父母教育程度与子女教育程度之间的关联。
That still left the typical household's income below its level at the trough of the last recession, despite four years of strong output growth.
尽管经过了四年强劲的经济增长，典型美国家庭的收入仍然低于上次经济衰退时的平均水平。
Moreover, shares of companies listed both there and in Hong Kong now trade at the same price level, on average. For the past four years Shanghai's typically fetched a noticeable premium.
另外，同时在上海和香港股市上市的股票目前平均以相同价格交易，而在过去四年中，在上海证交所交易的股票通常溢价较高。
During his visit, Wolfowitz will meet leaders from many sectors within each of the four countries – at a political and local level.
沃尔福威茨在访问期间，将会见非洲四国，包括政界和地方的各界领导人。
On Friday officials raised the alert level at the plant from four to five on a seven-point international scale of atomic incidents.
周五，官方将本次事件的警报级别从四级提高到五级，而核事故的国际标准仅有七级。
At the sophomore level, students begin four years of study in landscape architectural design.
在大学二年级水平，学生们开始在景观建筑设计四年的学习。
Let's look at four of the most common course development scenarios at Rational University, each of which has its own set of challenges and level of complexity.
让我们看看Rational大学最常见的四个课程开发情景，它们每一个都有自己的挑战和复杂度。
The introduction of the 4th management layer means there are translation between layer at level three and four.
第四管理层的引入意味着,在第三和第四层之间的,一个转变。
At 23.7, the current ratio is about 45% above its historic average and close to the level of two of the 20th century's four big peaks, in 1901 and 1966.
这样算下来，如今的市盈率是23.7，比历史平均水平高出约45%，接近20世纪四次顶峰中其中两次的水平，即1901年和1966年的水平。
Let's take a look at the next four maturity levels, their definitions and to what extent Relational software tools can be used to achieve higher level maturity.
让我们看看接下来的四个成熟度等级，它们的定义，以及Rational软件工具在实现更高等级的成熟度上能达到什么程度。
It is being put to a number of USES on the client side at both the desktop and application level. Such virtualization can be broken out into four categories.
在客户端，它也大量的运用于桌面以及应用层面。
The original barn building contains a garage and pool changing facilities at ground level, and four bedroom suites above.
原始的谷仓建筑包括车库和一层设施改造而来的水池，以及上面的四个卧室。
So at this point in the story-- at this level in the story, if you will, I've touched one, two, three, four numbers total or I've made two comparisons.
那么这时，我总共已经动过了1，2，3，4个数字,或者说我做了两次比较。
Applicants can package up to four certificate level courses, which total at least one year's duration, where one element is a certificate IV level course.
申请人能够配套就读最多四门证书级别的课程，所有证书课程的总学期至少为一年，并且课程中包含一门四级证书课程。
The author also argues that four conditions must be met for imposing punitive damage, and advise the legislature not to fix a uniform limit at the national level.
分析追究惩罚性赔偿责任的构成要件，主张不宜规定全国统一的惩罚性赔偿标准。
In particular, we have found that even at the mean field level the naive vacuum saturation approximation is not a good approximation when we consider nonlocal four quark condensate.
这里我们需特别指出的是在计算非定域的四夸克凝聚时以往经常采用的朴素的真空饱和假定不再是一个好的近似。
At least three and not more than four are taken at higher level (240 teaching hours), while the remaining courses are taken at standard level (150 teaching hours).
至少三个以上四个在更高层次教学(240小时)，而其余课程教学(150小时)在标准水平。
The optimum system architectures is the four-level computer network that centralizes the process of real-time tracing information in the computer centers at the railway bureau.
最佳的系统结构是以铁路局计算中心为实时追踪处理点的四级计算机网络。
Very broadly speaking, the turf of high-level legal theory is disputed by at least four groups.
宽泛地讲，围绕高层次法律理论的地盘发生论争的至少有四个群体。
Conclusion: the four-in-one health education model could en hance the level of reproductive health knowledge of the married women at child-bearing age in the poor mountainous area.
结论：四结合的健康教育模式能提高贫困山区妇女生殖健康知识水平。
Objective to avoid or decrease complications by probing the standard utilization and nursing of air tourniquet in four limbs operations at primary level hospital.
目的探讨气压止血带在基层医院四肢骨科手术中的规范应用及护理，从而避免或减少并发症的发生。
We knew it would be a difficult period for four or five years so we had to make a decision on how can we stay at the top level with less money available.
我们知道那可能会有四或五年的艰难时期，所以我们不得不做出一个花很少很少的钱而留在顶尖行列的决定。
Primark said its growth in sales slowed in the last three months to four per cent, which was half the level seen at the beginning of the year.
Primark的表示，其销售增长放缓，在过去三个月的一年百分之四，这是年初的一半水平见于。
Primark said its growth in sales slowed in the last three months to four per cent, which was half the level seen at the beginning of the year.
Primark的表示，其销售增长放缓，在过去三个月的一年百分之四，这是年初的一半水平见于。
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