设计：以脊柱l4 ~5节段三维模型的相关数据为研究对象的单一样本研究。
DESIGN: a single sample study taking the data of L4 5 three dimensional infinite element model as object of research.
设计：以人体解剖标本为研究对象，单一样本研究。
DESIGN: Single sample study based on the human anatomical samples.
设计：以骨组织标本为实验对象，单一样本研究。
设计：单一样本研究。
设计：单一样本研究。
另外在对水泥稳定碎石材料研究的过程中也存在着试验方法不统一，评价设计指标单一等问题。
Also in the study process of the cement stabilized crushed stone material, we use the different testing methods with a single design index to evaluate which certain are the problems.
研究表明，现有轴流泵的叶片设计理论单一，缺少更多有效控制叶片形状的变量和手段。
The investigation results show that the existing vane design theory is rather too simple and there are less variables and methods for effectively controlling the vane configuration and geometry.
设计：以细胞为研究对象，单一样本研究，重复测量观察。
DESIGN: Single sample study and repetitive measured observation based on the cells.
设计：以组织标本为研究对象的单一样本研究。
DESIGN: Single sample study using the tissue specimen as subject.
传统的遗传流行病学和基因定位的研究设计往往局限于单一的 （通常是简单的 ）数据结构和过分简化的流行病学模型 。
Study designs in genetic epidemiology and gene mapping have traditionally focused on single (often simple) data structures with oversimplified epidemiological models.
设计：以病理标本为研究对象单一样本研究。
DESIGN:Single sample study based on pathological samples SETTING:Department of pathology in a university.
设计：以病理标本为研究对象单一样本研究。
DESIGN:Single sample study based on pathological samples SETTING:Department of pathology in a university.
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