大样本病例观察少，合作规范临床研究不够；
Observation on big sample cases lacked and cooperated standard clinical research was deficient.
在治疗上还缺少大样本、前瞻性随机对照性研究。
Large sample, prospective, randomized controlled studies on treatment are scarce.
结果：分别就小样本、大样本推导出区间估计公式。
Results: Deduce the formula of the interval estimation of small sample and large sample.
结论该方法简便、经济，可用于大样本的基因分析。
Conclusion: The method is simple, economical and could be used for Numbers of samples' gene analysis.
目的建立一种大样本外周血基因组DNA的提取方法。
Objective: To establish one kind of method of genomic DNA extraction for numbers of samples.
AS临床流行病学调查：采用多中心，大样本临床调查。
Epidemiology investigation on AS: To adopt the multicenter, maximus sample clinical survey.
该方差分析适用于中等以上的信噪比或大样本长度的情况。
The variance analysis is shown valid fir medium to high SNRs or for large data length.
这项发现基于目前为止关于两种治疗方法最大样本量的对照研究。
The finding surfaced from the biggest comparison of the two treatment strategies ever carried out.
基于支持向量机的大样本回归问题一直是一个非常具有挑战性的课题。
It is a very challenging work to deal with large regression problems based on support vector machines.
也有通过大样本人口的研究显示使用该产品可引起心血管疾病甚至死亡。
There are also studies among large populations that show cardiovascular disease and even death by using this product.
目的：采用大样本调查免疫化学法大便隐血实验对检出小腺瘤的敏感性。
OBJECTIVES: to investigate the sensitivity of immunochemical FOBT to small adenomas using a large-scale cohort.
采用大样本病例队列研究的方法评估了肿瘤大小与转移风险之间的相关性。
We evaluated the association between tumor size and the metastasis risk in a large patient cohort.
方法：采用大样本临床流行病学调研方案，临床调查原发性肝癌2060例。
Methods: 2060 cases of primary hepatic cancer were clinically researched by a large sample number clinical epidemiological survey program.
目的：采用大样本随机双盲对照方法对国产和进口安氟醚临床应用进行比较。
Objective: To compare the clinical applications of domestic enflurane and imported enflurane by randomly double blind controlled method.
在实践中进行了两次教学实验，同时进行了大样本的问卷调查，检验其效度。
Two teaching experiments were conducted and a big-sample questionnaire was carried out to test its efficiency.
检验的大样本理论被给出。我们还通过数值模拟研究了检验方法的有限样本性质。
The large sample theory of the proposed test is developed and the finite sample properties of the test are studied through simulations.
但是，因为研究样本小以及病人退出率较高，这些结果还有待扩大样本进行研究。
However, because of the small number of patients and the high dropout rate, these findings need to be corroborated in larger cohorts.
目的旨在回顾分析我国大样本临床试验，总结经验，为临床治疗和科研提供参考。
Objective Aim to review the large scale clinical trials so as to provide reference for future clinical treatment.
需要更大样本的研究、更长时间的随访来明确小切口手术技术的远期疗效和安全性。
Greater sample sizes and a longer follow-up period are required to fully determine the long-term safety and efficacy of this minimally invasive surgical technique.
讨论一般结构关系度量误差模型的大样本理论，给出了未知参数的一个强相合估计。
The general structural error-in-variable regression models is discussed. A consistent estimator of the regression parameter is presented.
并且得到了在大样本性质下，此置信上界只与输入测试例个数和置信系数相关的结论。
It is concluded that this upper bound is merely correlated with the amounts of input samples and the confidence coefficient.
今年9月，Huizenga说该公司正在试图获得一项资助以进行大样本群体的研究。
In September, Huizenga said the company was trying to get a grant for a study on a large group of people.
本文对在美国所进行的不吸烟者环境香烟烟雾(ETS)暴露水平的大样本研究作了综述。
Some of the lessons learned from a large study of personal exposure of non smokers to environmental tobacco smoke (ETS) in the United Stated are reviewed.
然而，在大样本中进一步的观察研究，评估干预对中风风险的影响可以提供更多有用的信息。
However, further observational studies with large databases assessing how interventions might modify the risk of stroke could provide more useful information.
我们首次在大样本普通人群中指出，伴明显动脉反射波的人们未来发生心力衰竭的风险较高。
We show for the first time in a large general population that people with prominent arterial wave reflections are at greater risk for developing heart failure in the future.
对于肱骨远端骨折的治疗，尚需进一步实施大样本、多中心前瞻性研究以制定最佳的手术策略。
There is clearly a need for prospective, multicenter, large-scale trials to aid surgical decision-making in the future regarding the treatment of distal humeral fractures.
利用中心随机化系统在药品管理方面的优势，可以确保大样本多中心随机对照试验的顺利实施。
Good drug administration procedures should ensure the smooth implementation of large - scale multi-center randomized controlled trials and increase their reliability and usefulness.
利用中心随机化系统在药品管理方面的优势，可以确保大样本多中心随机对照试验的顺利实施。
Good drug administration procedures should ensure the smooth implementation of large - scale multi-center randomized controlled trials and increase their reliability and usefulness.
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