However, comparing data from various studies can be unreliable because slightly different methods may be used.
但是，比较不同研究的数据可能并不可靠，这是因为不同的研究使用的方法会有所不同。
Dr Bach was comparing data from screened people with a model of what would have happened to an unscreened group.
巴赫对接受筛查人群的有关数据与未接受筛查人群的预后模型进行了比较。
By comparing data from 22 studies from 1987 to 2006, they found a link between these issues and problems later in life.
通过比较从1987年到2006年的22项研究的数据，他们发现了存在于这些问题和日后的行为问题之间的联系。
Scientists can then figure out which signals are from local disturbances and which are from gravitational waves by comparing data from interferometers in different parts of the world.
科学家们还将比较分布在世界各地的干涉计的检测结果，以判别信号是真地来自引力波还是来自于本地的干扰。
Besides comparing between objects in the same project, you can choose to compare the data model against a database or DDL script.
除了比较同一个项目中的对象外，还可以选择将数据模型与一个数据库或ddl脚本进行比较。
Likewise, by comparing performance data from release to release, they can assess whether the quality measures they applied resulted in real improvements.
同样地，通过比较版本间的性能数据，他们可以评估出所使用的质量度量是否带来了实际的性能改善。
Business users often analyze data by comparing facts summarized at different levels of a hierarchy.
业务用户经常通过对比在不同层次结构总结的事实，来分析数据。
The news comes from comparing the current figures to last week's, which is a very simple form of data analysis.
这篇新闻正是来自当前数据同上周数据的比较，这也是一种简单的数据分析。
Beyond this you might also want to verify the data in DB2 carefully by using other methods, such as comparing the output of important queries.
除此之外，您可能还希望使用其他方法来验证DB 2中的数据，如比较一些重要查询的输出结果。
To understand the difference between data and content, take a minute to consider each separately before comparing them.
要了解数据与内容之间的差别，首先需要在进行比较前分别了解一下这两个概念。
When a user is comparing different countries the chart will display only the data range available for all the countries selected.
当用户在比较不同国家间的房价时，图表将只显示所有被选中国家的数据范围。
It also supports comparing PMC data from two different runs so that you can find out how much and which parts are improved and understand your optimization better.
它还支持比较两次数据收集过程产生的PMC数据，帮助您了解改进的效果，考虑进一步改进的可能性。
They figured out how much we're eating today versus three decades ago by comparing agricultural data from then and now.
通过比较过去和现在的农业数据，科学家们得出来当今人们的食量和三十年前人们的食量之间的比较数据。
Comparing with Oslo and Ometa that only allow defining parsers for languages, MPS provides additional features such as editor, constraints, type-system, data flow analysis and generator.
Oslo和Ometa只能定义语言的解析器，与之相比，MPS的功能更多，能定义语言的编辑器、约束、类型系统、数据流分析，还有生成器。
You are fetching data from the database after comparing the lastupdated field for table feeds and the lastpulled field of table subscribedfeeds.
在对提要表的lastupdated字段和subscribedfeeds表的lastpulled字段进行比较后，我们从数据库中获取数据。
You can see this easily by comparing the sampled ticks per KB transferred number between the three data points.
您可通过比较三种数据点中每传输1KB数据的取样滴答数清晰地看到这一点。
Current research comparing chemical data taken in the 1960s and 1970s with the situation today may clarify things.
目前已有研究试图把60-70年代的监测数据和现状的进行比较，以期找清原因。
The DataPilot feature is a powerful tool for quickly combining, comparing, and analyzing large amounts of data.
DataPilot特性是快速合并、比较和分析大量数据的强大工具。
In other words, you construct an XPath query for a specific document, with a specific set of data that you're comparing elements, attributes, and text to using predicates and XPaths.
换句话说，需要针对特定文档编写XPath查询，提供和元素、属性、文本比较的具体数据来使用谓词和XPath。
When comparing operations, it performs a case-sensitive name match along with a comparison of input argument data types, and ignores return types.
在比较操作的时候，API会比较名称（区分大小写）以及输入参数数据类型，并忽略返回值类型。
"When you record a disturbance, you need to ensure that it is not caused by another factor, by comparing it with data at other locations," he said.
他说：“当你记录下一次扰动的时候，你需要把它与其他地方的数据进行对比，从而确保它不是由于其他因素导致的。”
Over the course of the project, you will need to be gathering data and comparing it to expectations to keep the project on track.
在这个项目的整个过程中，您需要搜集数据并与期望值作比较以保持项目的正常进行。
Few situations when this data is needed are when comparing the interface and tower identifiers, when removing multiple bindings from name service database etc.
需要这些数据的情况包括对比接口和塔标识符、从名称服务数据库中删除多个绑定等等。
But remember, customers "sees" already compressed data and will be comparing HANA's result to that.
但要知道，用户“看到”的是已经压缩过的数据，会用HANA的结果与之相比。
By comparing the resulting data with sales information, it was then possible to gain insight into shoppers' behaviour.
将最终得到的数据与销售情况相比较，那么就很可能获得一些对顾客行为的了解。
By comparing and contrasting the modern human genome to both the Neanderthal and even more primitive chimpanzee genetic data, researchers hope to uncover uniquely human adaptations.
将现代人的基因组与尼安德特人甚至更原始的黑猩猩的遗传数据进行对比，研究者们希望能借此揭开人类适应性的谜团。
Software can then sift through the data, comparing the profiles to look for matches.
软件将从浩如烟海的数据中寻找基因特异的配型。
At the end of this paper, some useful conclusions are summed up after analyzing and comparing several common-used methods of navigation data fusion.
在本章最后，对常用的几种导航数据融合算法进行了分析和计算比较，得出一些有益的结论。
In addition, the team tested their analysis method by comparing the X-ray brightness of certain clusters with the strength of temperature changes seen in the WMAP data.
此外，通过对WMAP探测器数据中看到温度变化力度的X光亮度进行比较，该小组测试了他们的分析方法。
Superimposing and comparing two geometrical data sets of differing origin and accuracy often give rise to a large number of small polygons.
叠加和比较二个几何资料不同的起源和准确性经常造成很大数量的小几何图形。
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