查询词典 representative sample

The nitrogen and phosphorus migration characteristic and influence factor in Karst area were studied through sample analyze to representative karst nonirrigated farmland and the experiment of pot, in Karst area.

在喀斯特地区，通过对有代表性的喀斯特旱地进行采样分析和盆栽试验，对喀斯特旱地土壤中氮磷的迁移特征及影响因素进行了研究，主要研究结果如下： 1。

While a lot surveys dabble in any issues, the absorbing is unapplying rigorous, gauging answerss to the alike questions periodically since 1977 through a random telephone survey of a nationally representative sample.

检查方从1977年以来定期对具有代表性的样本停止随机手机采访，并对被访者就同唯一疑难题目的回答停止访问量情况。

Sample statistics based on weighted data are more representative of the population parameters than unweighted data in terms of some demographic characteristics.

加权后的资料在人口学变项上比未加权资料较为接近母体参数，因此加权似乎是一个合理处理样本资料的做法。

Sample statistics based on weighted data are more representative of the population parameters than unweighted data in terms of some demographic characteristics.

在加权前也必需提出事后操弄资料的理由，而不是将加权视为理所当然。本文以台湾选举与民主化调查为例，首先说明加权后的资料不必然较接近母体参数的原因。

But according to a recent study based on a representative sample of American adults, only 38 percent of women said they'd masturbated at all during the past year.

但最近，根据一项对美国成年人的代表性抽样调查显示，只有38%的妇女表示在过去一年里手淫。

But according to a recent study based on a representative sample of American adults, only 38 percent of women said they'd masturbated at all during the past year.

这项由芝加哥大学社会学家进行的研究，分析了源自3116名、年龄在18到60岁美国人的数据（其中1769名女性1347名男性）。

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。

YONG PING ELECTRLCL.,LTD located at the world small commodity - Zhejiang Iwu, the company in line with "strives for the survival by the quality, asks the customer by the prestige, innovates strives for the development" the objective, passes through many year endeavors, presently acts the national each kind of brand electric iron, the electric drier, the steam to brush, has a permanent wave, and so on for representative's over a hundred type products, but may also welcome the incoming sample ordered merchandise, our product sells to South Korea, Japan, Russia, Hong Kong, the Middle East directly and so on domestic and foreign several dozens countries, set up the good market image, has established the good brand prestige.

永平家电有限公司位于世界小商品之都-浙江义乌，公司本着&以质量求生存，以信誉求顾客，以创新求发展&的宗旨，经过多年的努力，现代理全国各种品牌电熨斗、电吹风、蒸汽刷、烫发器、等为代表的上百个种类的产品，还可欢迎来样定货，我们的产品直接销往南韩、日本、俄罗斯、香港、中东等国内外几十个国家，树立了良好的市场形象，建立了良好的品牌信誉。

Method］ With 3 kinds of representative local duckweed varieties selected from the each sample place in Yangzhou City and Kunshan City resp. as the tested materials and the anaerobic wastewater diluted at 5 times and 10 times from the cattle Farm as the tested sewage,10 groups of purification treatments matching with 5 different duckweeds on 2 concn. of sewage were set up to investigate the effect of different duckweed variety on the purification effect of N and P in sewage with different concn.

方法］ 从扬州市和昆山市各采样点选取的当地3种有代表性的浮萍品种为供试材料，以经稀释5倍、10倍的牛场厌氧废水为供试污水，设置5种不同浮萍对2种不同浓度污水的10组净化处理，在实验室条件下考察了不同浮萍品种对不同浓度污水氮和磷的净化效果。

The representative mid-part tobacco samples were selected from the places of Qiannan, Guizhou; Dali, Yunnan and Sanming, Fujian, the aging was conducted under natural conditions after the tobacco sample redrying, and each index was examined 12 months later.

方法］从贵州黔南、云南大理和福建三明等地选择有代表性中部烟样，复烤后置于自然条件下进行陈化，12个月后检定各项指标。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。