查询词典 surveys

In fact, most surveys show no link between cellphones and brain cancer.

事实上，大多数调查并没有表明手机和脑癌之间的联系。

Child mortality data are more widely available from censuses and household surveys in low-income countries.

而儿童死亡率资料可以从在低收入国家中的人口普查和家庭调查中广泛地获得。

This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses.

本文讨论了连续调查中应用普查方法时的整群抽样和分层整群抽样。

This is partly because data collection is infrequent in low-income countries and partly because information in surveys and censuses refers to a specific retrospective period.

这部分是在低收入国家进行的资料收集，部分也是由于在调查和人口普查中获得的信息，它只是代表过去的一个特定时期。

Through censuses, sample surveys focused on the treatment and prevention and control of key target groups, and gradually establish a scientific system of prevention and control.

通过普查、集中抽样调查、对重点人群的治疗和防控，逐步建立科学的防控体系。

Recorded above in exquisite detail by the Hubble Space Telescope 's Advanced Camera for Surveys , the big, beautiful face-on spiral is not only photogenic, but has proven sharp enough to study individual stars known as Cepheids .

上图景象优美，细节精致，由哈勃太空望远镜的先进巡天相机记录得到，巨大美丽的螺旋面不仅是壮观，而且还拥有足够的信息资料以研究被称为Cepheids众多星体。

The first part narrates Zhuyao s bumpy official career and introduces his written works and surveys four colophons of Gufu Bianti.

第一部分考述了祝尧坎坷的仕途、著述和《古赋辩体》的版本。

Secondly, it described the three historic periods characterized by crowding in, price war and four dominators. In this way it surveys the process of the upgrading of Chinese SPC industrial innovation capability.

然后，抓住这三个阶段最大的特征——大量进入、价格战和四分天下——描绘出一幅中国程控交换机产业的演进全图，展现了中国程控交换机产业创新能力提升的过程。

The article surveys relationship of departed through the description of epitaphs.

本文将焦点放到「请铭」和「撰铭」的内容上，以文本取向来观察墓主的人际关系。

Based on the field surveys on a wide scale, the systematic studies were made on soil acid properties, particle fractions, exchangeable performances, saturated base, free feeric properties, clay chemical components, clay mineral types and their properties of genesis.

在大量野外调查的基础上，系统地研究了土壤的酸性特征、颗粒组成、交换性能、盐基饱和度、铁的游离度、粘粒化学组成及粘土矿物类型等发生学性质。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。