In the United States, a similar number of students from across the country were selected as a representative sample for the test.

在全美国也挑选了同样数目的学生作为代表参加考试。

No opinion poll based on a statistically representative sample of the Chinese people on the perception of Jews has ever been conducted.

基于在犹太人的感觉上的中国人民的一个统计上典型的样品没有意见民意测验曾经已经被进行。

A representative sample should be taken for the purpose of performing a retest.

应当取一个具有代表性的样品进行复验。

The 2009 NAEP was given to a representative sample of students in 46 states and U.S. Department of Defense schools.

2009年对 46个州和美国国防部学校部的具有代表性学生开展了全国教育进展评估。

A tailored process, named as AO process here, was developed through comprehensive and systematic study on a representative sample 13-2-1 of cassiteritepolymetallic sulfide ore in Yunnan Tin Corp(YTC).

通过对云锡有代表性的锡石多金属硫化矿13-2-1矿样的全面系统研究，提出了具有针对性的工艺措施，本文称其为AO法工艺。

Tibetan meal is a representative sample of burning sheep, beef, Zanba, green tea and wine trees.

藏餐中有代表性的是烧羊、牛肉、糌粑、酥油茶和青棵酒。

The tests were given last spring to a representative sample of 7, 000 fourth graders, 11, 800 eighth graders and 12, 400 12th graders nationwide.

去年春天，我们选取7000名四年级，11800名八年级以及12400名12年级具有代表性的学生，来参与评估测试。

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。

Similarly, the fibre and shive imageanalysis module, which has much faster processing time than ever before, canprocess as representative sample up to six grams in just six minutes or less.

类似的，纤维和碎片的图形分析模块，它已经具有比以往更快得多的处理时间，因此可以用6分钟或者更短的时间去处理6克代表性的样品。

They surveyed a nationally representative sample of almost 40,000 U. S. adults who lived with a child under 18.

他们在全国范围内做了一个代表性样本的调查---将近有4万美国成年人与一个未满18岁的孩子一起住。

The firm also asked the same question of "a representative sample of the Americanelectorate."

这家公司也问了“美国选民代表”同样的问题。

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。

In a fascinating new study*, Angus Deaton, an economist at Princeton, draws upon more than a million data points collected during daily telephone surveys of a representative sample of adult Americans.

普林斯顿大学的经济学家安格斯•迪顿在其别出心裁的研究中，运用了超过一百万份数据；而这些数据由对一批有代表性的美国成年人进行每日电话调查而来。

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 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。

SGS will inspect a representative sample of iron ore for each shipment and will issue a written certificate of weight, chemical contents, physical size and no radioactivity;

每船货物需经瑞士通用公证行进行认证，并让其出据样品检验如重量、化学成分、货物形状且货物无放射性的书面证明。

The report was based on a nationally representative sample of 12, 571 men and women.

该报告基于在全国范围内对12571名男性和女性开展的一项抽样调查。

(Note: If you also want MDC recommendations, a representative sample of data is required in the tables, as well).

（注意：如果您还想要MDC建议，那么在表中还需要代表性的样本数据）。

Norms derived from a representative local sample, as opposed to a national sample.

常模是由具代表性的区域样本而来，是相对于全国样本。

Second, the representative earth sample is selected to verify if the control standard is reasonable by rolling experiments on site.

选用代表性土料通过现场碾压试验验证该控制标准的合理性；

This finding is based on a representative community sample of over 13, 000 people from the 2005 Canadian Community Health Survey.

这个发现基于从2005年加拿大社区健康调查中选出的1.3人组成的抽样代表人群。

And statistical controls are unlikely to compensate for a poor sampling strategy that does not yield a sample representative of the population to which we want to generalize.

一个差劲的采样策略并不能产生一个我们需要的代表总体的样本，而统计管理不太可能弥补这一点。

The simple transaction makes the data sample representative of what a typical person using the system would experience.

这个简单事务使数据样本能够代表典型用户在使用系统时体验到的情况。

thirdly how representative is the sample?

再次，样本有多大的代表性？

The gas and oil must be recombined in correct proportion to obtain a representative reservoir-fluid sample.

油气必须以适当的比例进行混合，以得到典型的油藏流体样本。

The model is used to calculate results in several representative factors for the sample Television-Guided Missile and the results of the operating distance get.

以某型电视制导导弹为例，给出了在各种因素影响下，导引头作用距离的变化情况。

or if they were all under 24 or if they were all black or whatever, you need to know if the sample chosen is representative of the population as whole.

或者如果他们都在24岁以下,如果他们都是很人，或者怎么样，你要知道如果选择的样本,是否能够代表整个人群。

Methods Air sample were collected in 4 representative sites of Xinyang, quantity of drug-resistance bacteria were detected using plate containing different antibiotic and results were analyzed.

方法在信阳市4个典型环境中采集空气样品，利用含不同抗生素的平板检测空气中耐药菌的数量，并对结果进行分析。