population studies的例句大全

The problem, though, is that these are population studies.

问题是这些仅仅是人口调查.

This paper studies how to choose representative points form a bivariate normal population with as much information of the population as possible arises.

本文研究如何在二元正态总体中选取代表点，使它们尽可能多地保留总体的信息。

These case studies illustrate the issues of population growth and environmental change.

这些个案研究说明了人口增长和坏境变化的问题.

Presently Shanghai urban population capacity studies involve both factors.

目前,对上海城市人口容量的研究都涉及了以上两个方面.

The studies on environmental cadmium ( Cd), lead ( Pb), arsenic ( As) pollution and health impact on exposure population in China were reviewed in the present paper.

该文对我国环境有色金属镉、铅、砷污染及其对暴露人群健康影响的流行病学研究进展进行了综述。研究认为有色金属镉、铅、砷对人体有毒害作用；

Studies on System Phylogeny of Alpaca and Its Genetic Relationship in Population

羊驼系统发育和种群内亲缘关系的研究

Impact of misclassification of in vitro fertilisation in studies of folic acid and twinning: Modelling using population based Swedish vital records

体外受精错误分类对叶酸与双胎关系研究的影响：基于瑞典人口记录的人群调查

Studies on population biology of transitional types of genus Atractylodes in Anhui province

安徽省术属药用植物过渡类群的居群生物学研究

There are huge significances for rational exploitation of the biotic population in ecosystem, some extensive and intensive studies are done by many scholars.

生态系统中，生物种群的合理开发意义重大，许多学者进行了广泛而深入的研究。

Studies on applying the time series analyses as a means for moderately long term prediction of pink bollworm population

应用时间序列分析法进行棉红铃虫中长期数值预报的研究

Local Sun-cured Tobacco Germplasm Resources for Tobacco Black Shank Resistance Studies of Population Diversity on Endophytic Fungi of Tobacco and Selection of Biocontrol Endophyte to Tobacco Brown Spot Disease

地方晒烟种质资源对烟草黑胫病抗性研究烟草内生真菌种群多样性及烟草赤星病生防内生菌的筛选

Confirmation and estimation of risk in population-based studies has been inconsistent and more problematic.

基于人群的研究,对于风险的认证和预测还存在矛盾和很多的疑问.

Background. Acute pyelonephritis is a potentially severe disease for which there are few population-based studies.

急性肾盂肾炎是较少几项以人口基础研究的潜在严重性疾病之一.

Several other studies have also found that participants with depression and schizophrenia tended to have lower levels of folate than the general population.

其他几项研究也发现，抑郁和精神分裂症患者的叶酸水平往往低于一般人群。

Methods A method based on epidemiological theory and Bayes' theorem was established to measure the contribution of individual risk factor, using the relative risk ( RR) or odds ratio ( OR) value obtained from population-based cohort studies or meta-analysis.

方法运用贝叶斯公式，依据相关流行病学理论，建立由相对危险度数值等来测算单个危险因素对个体发病贡献权重的方法。