Additional epidemiological, environmental and food trace-back investigations are under way.
其它的流行病学、环境和食品反向追踪调查正在进行中。
How far back can you trace your family tree?
你的家谱可以追溯到多少代？
They can trace their lineage back to the 18th century.
他们的家族可以直接追溯到18世纪。
He was able to trace his ancestry back over 1 000 years.
他可追祖溯宗至1 000年以前。
Can one trace this same pattern far back in prehistory?
我们能把同样的这种模式追溯到遥远的史前吗？
She could trace her family tree back to the 16th century.
她能把本族家谱追溯到16世纪。
Like a family tree that you might use to trace back through generations of ancestors, only it's showing a family of genetically related languages instead of people.
就像你可以追溯祖先的家谱一样，它只是在显示与遗传相关的语言，而不是人类。
Rather than merely a sign, it is the root from which we can trace back to our ancestor, the tie that helps bind us to other members of the same clan, the dignity most people hope to live for.
它不仅仅是一种标志，更是我们可以追溯到祖先的根源，是将我们与同族其他成员联系在一起的纽带，是大多数人希望为之而活的尊严。
One can trace such expeditions back to ancient Sumeria, the earliest known Middle Eastern civilization.
这样的探险可以追溯到古苏美尔时期，这是已知的最早的中东文明。
At DIAGLEVEL 3 (default), the db2diag.log captures a stack trace back, and even gives you the line number within the code where the exception is caught.
在DIAGLEVEL3(默认设置)上，db2diag . log捕获堆栈跟踪，甚至给出代码中捕获到异常处的行号。
To find the bug, we have to trace back through the flow of control to find out where the variable was assigned and determine whether doing so was incorrect.
为了发现错误，我们必须通过控制流跟踪，以发现变量在哪里被赋值，并确定是否这么做是不正确的。
In this case the tree looks different: you start with test cases, and then trace back from scenarios and use cases.
在此种情况下，追踪树看起来会有不同：你从测试用例开始，然后追踪场景和用例。
A key characteristic of the design is that it should trace back to elements at higher levels of abstractions (for example, business processes or use cases), including requirements.
设计具有一个重要的特征，它应该追溯到更高抽象级别的元素(例如，业务流程或者用例)，包括需求。
You can trace back each of the characteristics to one or more SOA principles that provide integrity to the principles and the characteristics.
您可以将每一个特性对应到一个或多个提供给原则和特性以完整性的SOA原则。
According to planetary scientist Robin Canup, all three of Pluto's satellites could trace back to a single impact.
据行星学家罗宾·卡纳普说，冥王星的所有三个卫星可以追溯回同一次撞击。
Birds evolved from dinosaurs, but the origin of their feathers may trace back even deeper in time, to the common ancestor of dinosaurs and pterosaurs, like the fossil at left.
鸟类是从恐龙进化而来的，但羽毛的起源则要追溯到更为久远的上古时代，恐龙和翼手龙的共同祖先才是羽毛出现的源点，例如上图左边的这块化石。
He said that these tomatoes trace back to the southern Ukraine during the early 19th century.
他还说，这些西红柿的起源之地是19世纪初的南部乌克兰。
America's major problems - high unemployment, the trade deficit, high public debt - all trace back to it.
美国最主要的问题——高失业率，贸易逆差，高国债——都是这个原因引起的。
Tea houses in Hangzhou trace back to the Southern Song Dynasty (1127-1279).
杭州的茶馆历史可以追溯到南宋时期(1127- 1279)。
Party B shall retain the right to trace back the product quality, if quality accident happens while Part B is using the product of Party A, Party B shall have the right to trace back.
乙方保有产品质量追溯的权利，当乙方在使用甲方产品的过程中，有质量事故时，乙方有追溯的权利。
Aggregating such a trace back yields a quantified call-chain.
通过聚集这种反向跟踪，可以产生一个量化的调用链。
It is also possible to trace back from lower to higher levels of abstractions.
从低层级到高层级的抽象也是可能的。
And, similarly to the LCS algorithm, to obtain S1 'and S2', you trace back from this bottom-right cell, following the Pointers, and build up S1 'and S2' in reverse.
而且，与LCS算法类似，要获得S1'和S2 '，要从右下角单元格开始沿着指针回溯，反向构建S1 '和S2 '。
Think of it this way: The most sophisticated cyberattacks, like Stuxnet, rarely leave clear fingerprints; bioweapons, too, are famously difficult to trace back to a perpetrator.
从这方面来考虑一下：像Stuxnet这样最复杂的网络袭击极少留下清晰的痕迹；生物武器也是一样，很难追踪到肇事者，这都是广为人知的。
Now, supposing we trace back to 8,000 years ago, let us image visiting our hardy ancestors, who resided at Zhoukoudian.
现在假设追溯到8000年以前，我们去访问住在周口店的吃苦耐劳的祖先。
Now, supposing we trace back to 8, 000 years ago, let us image visiting our hardy ancestors, who resided at Zhoukoudian.
现在假设追溯到8000年以前，我们去访问住在周口店的吃苦耐劳的祖先。
This way gem users can trace back a gem to a trusted source.
这样gem用户可以溯及一个gem至可信的源。
For example, a stack-trace back could be derived easily from the trace.
例如，可以很容易地从跟踪得到stack - trace back。
The Class model and the Interaction diagram trace back to the use case described here previously, as Figures 2 and 3 illustrate.
Class模型及Interaction图回溯至前面描述的用例，如图2和图3所示。
The Class model and the Interaction diagram trace back to the use case described here previously, as Figures 2 and 3 illustrate.
Class模型及Interaction图回溯至前面描述的用例，如图2和图3所示。
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