The survey covers a representative sample of schools.
调查覆盖了有代表性的一些学校。
The survey covers a representative sample of the population.
这次调查包括有代表性的人口样本。
Obtain a representative sample of the appliance to be tested.
准备一台有代表性的样机用于测试。
A representative sample of manual tests are executed and timed.
一个代表性的手工测试的例子被执行，并记录时间。
The findings were based on a representative sample of 1, 398 people over age 18.
研究人员选取了1,398个18岁以上的人作为代表性样本进行研究。
The findings were based on a representative sample of 1,398 people over age 18.
研究人员选取了1,398个18岁以上的人作为代表性样本进行研究。
All forms should be pilot tested using a representative sample of the studies to be reviewed.
所有表格都应该用要回顾的研究的代表性样本进行预试验。
Or you may choose to do a more expensive and reliable test on a representative sample of consumers.
或者您也可以选择做一个代价高的可靠的测试了在有代表性的消费者中。
It is hard to construct a representative sample in a country as large, diverse and unequal as Brazil.
在巴西这样一个国土辽阔，差异巨大而又不公平的国家进行具有代表性的抽样民意调查可谓艰难。
The team estimated the mass by observing the speed of a representative sample of stars in each galaxy.
研究小组通过观测每个星系中一个代表性恒星的旋转速度，来估算星系的质量。
Listing 2 (clipart.feed.xml) is a representative sample trimmed from a recent snapshot of the feed in question.
清单2 (clipart . feed . xml)节选自该提要最近的快照，是一个很具代表性的示例。
The Morning Consult also surveyed a representative sample of the American electorate, asking the same thing.
晨间顾问也在美国选民中选取有代表性的人群做问卷调查，向他们征询了同样的问题。
For data-centric components, such as a data list, import a representative sample of the data (text or images).
对于数据为中心的组件，例如数据列表，可以导入数据(文本或图像)的有代表性的样本。
The Opthalmology report was based on a series of studies that tested the eyes of a representative sample of people.
作为报告基础的一系列研究采用的样本人群是具有代表性的。
We do know that many startups feel they can get a representative sample of Twitter activity from the company's free API.
我们知道，很多初创公司认为他们可以通过Twitter的免费API服务获得具有代表性的样本。
Purpose To solve the problem of sampling within household in resident health survey and generate a representative sample.
目的解决居民健康调查中入户后的抽样问题，产生代表性较好的研究样本。
The Cross belt Sampler obtains a representative sample of granular material direct from a moving trough belt type conveyor.
交叉皮带采样器可以直接从运动者的传送皮带上获得有代表性的粒状材料的样品。
Before using the Design Advisor, you need to determine how to get a representative sample of the workload to provide as input.
在使用Design Advisor之前，需要确定如何获得代表性的工作负载样本，以作为它的输入。
The people she interviewed are not a representative sample of Polish singles, so her results are more suggestive than definitive.
她采访的人并非波兰单身人士中有代表性的样本，所以她的样本与其说是决定性的，不如说是提示性的。
The teens were a subset of participants in the National Longitudinal Survey of Youth, a representative sample of American adolescents.
这些青少年是全美青少年纵贯调查协会(theNatiaonal LongitudinalSurveyofYouth)的会员，是典型美国青少年的代表。
The Gallup World Poll conducted surveys on a wide range of subjects in a representative sample of people from 132 countries from 2005 to 2006.
盖洛普世界民意调查从2005年到2006年间，对132个国家民众的代表性样本就广泛的问题进行了调查。
He reckons that the firms that have already reported are a representative sample likely to provide a good indication of the overall trend.
他认为这些公司的范例能够很好地说明总体趋势。
The longitudinal observation on changes of psychological well-being in a representative sample of the elderly living in Beijing was reported here.
本文报告对北京市一个有代表性的老年人群的精神状况的纵向观察。
The list of annotations is not complete, but it is a representative sample of the most common annotations that would likely be used in a typical deployment.
此注释列表并不完整，但却代表了可能在典型部署中使用的最常见注释。
The list of annotations is not complete, but it is a representative sample of the most common annotations that would likely be used in a typical deployment.
此注释列表并不完整，但却代表了可能在典型部署中使用的最常见注释。
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